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                                                                   EXHIBIT 10.51

                                LICENSE AGREEMENT

         This License Agreement (hereinafter "Agreement") is entered into by and
between Cybex Computer Products Corporation ("Cybex"), an Alabama corporation
with its principal place of business at 4991 Corporate Drive, Huntsville,
Alabama 35805, and Mobility Electronics, Inc. ("Mobility"), a Delaware
corporation with its principal place of business at 7955 E. Redfield Road,
Scottsdale, AZ 85260, effective the 6th day of March, 2000.

                                       I.

                                    RECITALS

         1.1 Cybex owns the Cybex Technology (as herein defined), has pending
patent applications (Nos. 09-430,162 and 09-430,163) pertaining to the Cybex
Technology, and has the right to grant non-exclusive licenses thereunder.

         1.2 Mobility desires to obtain from Cybex, and Cybex hereby desires to
grant to Mobility, a certain non-exclusive license under the Cybex Technology as
provided in this Agreement.

                                      II.

                                   DEFINITIONS

         The following terms shall have meanings ascribed to them below:

         2.1 "CYBEX TECHNOLOGY" shall mean all of Cybex's split computer
technology represented by United States Patent Application No. 09-430,163 for a
"split computer architecture" and United States Continuation Patent Application
No. 09-430,162, and all related intellectual property, including without
limitation software, patents, patents pending, trade secrets, ASIC chips and
related intellectual property blocks, designs, specifications, and any future
enhancements, modifications, variations thereto, and all intellectual property
associated with the adaptation of cables and connectors adapted for use with
such technology and future generations of any of the above. Cybex Technology
does not include any incorporated Mobility Technology.

         2.2 "MOBILITY TECHNOLOGY" shall mean all of Mobility's Split Bridge
Technology (as hereinafter defined), including Mobility current split bridge
ASIC chip commonly known as "Merlin" and ASIC split bridge chips currently under
development by Mobility with LSI Logic or developed in the future "Mobility
Split Bridge Chips". This further includes all related intellectual property and
Mobility Split Bridge Chip intellectual property including without limitation
software, patents, patents pending (including without limitation patent
application Nos. 09-130,057 and 09-130,058), trade secrets, ASIC chips and
related IP blocks, designs, specifications, and any future enhancements,
modifications, variations thereto, and all

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intellectual property associated with the adaptation of cables and connectors
adapted for use with Mobility's Split Bridge Chips and technology and future
generations of any of the above. "Split Bridge Technology" is the technology
which allows a main computer PCI bus to be extended to a remote location by
connecting two proprietary Mobility Split Bridge Chips with a high speed cable,
and includes all of the above. Mobility Technology does not include any
incorporated Cybex Technology.

         2.3 "PERMITTED APPLICATIONS" shall mean any product or device or ASIC
chip containing Cybex Technology for any application or purpose except those
applications identified in Article 3.3.

                                      III.

                            GRANT OF LICENSE BY CYBEX

         3.1 Subject to Mobility making the royalty payments required pursuant
to this Agreement, and during the Term, Cybex grants to Mobility, for Permitted
Applications only, a worldwide, nontransferable, and nonsublicensable right to
use, sell and otherwise incorporate Cybex Technology.

         3.2 The rights granted in Section 3.1 will survive any change in
control of Cybex.

         3.3 Mobility shall not have the right to use Cybex Technology in any
server or desk top computer application or product that does not incorporate
Mobility's Technology.

                                      IV.

                               TITLE AND OWNERSHIP

         4.1 Mobility acknowledges that Cybex owns and has all rights, title and
interest in and to all intellectual property relating to Cybex Technology
including all patents, patents pending, trade secrets, software, utility models,
trademarks, mask works, copyrights, and all related applications therefor,
including all future improvements, modifications, and enhancements made to Cybex
Technology.

         4.2 If either or both parties develop new technology, products and/or
chips that include a significant amount of both Cybex Technology and Mobility
Technology for extended PCI bus systems and applications that are beyond the
capabilities of Mobility Technology, the parties agree as follows:

         (a) Each party will have the right to use, sell, or otherwise market
the joint products or chips, except that Mobility will have exclusive rights in
the portable and handheld computer docking market and Cybex will have the
exclusive rights in the KVM switch market.

         (b) Product or chip development cost will be funded fifty percent (50%)
by each party, or if only one party decides to fund such development, the party
that has agreed to fund development will receive 100% of royalties due the other
party until 125% of such development cost is recovered.

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         (c) If the joint chips are sold by either party, the other party will
receive a royalty of 15% on the sales revenues of all such chips. Such royalty
may be adjusted from time to time by the mutual written consent of Mobility and
Cybex. Both parties will have the right to purchase and sell such chips from the
manufacturing foundry at cost.

         (d) If the joint products are sold by either party, the other party
will receive a royalty of 6% on the sales revenue of all such products. Such
royalty may be adjusted from time to time by the mutual written consent of
Mobility and Cybex. Both parties will have the right to manufacture and sell
such products.

         (e) Any technology contributed by a party will be owned 100% by such
contributing party, and may not be used by the non-contributing party for any
purpose other than the joint product and/or joint chip. Any new jointly
developed technology and any associated patents and patent rights will be
jointly owned by the parties, but also may not be used for any purpose other
than the joint product and/or joint chip as provided above without the other
party's consent.

         4.3 Pursuant to the terms of this agreement, Cybex agrees to make
available to Mobility, to the extent it has the right to do so, all future
enhancements, variations, modifications, and future generations of Cybex
Technology at a royalty rate defined below.

                                       V.

                          ROYALTIES AND LINK PURCHASES

         During the Term, Mobility shall pay to Cybex royalties as follows:

         5.1 On all sales by Mobility of any product incorporating any Cybex
Technology, 6% of Mobility's sale price of such product. This royalty will not
apply to any products sold by Mobility which are purchased from Cybex or its
affiliates for resale.

         5.2 Subject to availability (it being acknowledged and agreed that
Mobility shall be treated at least similar to Cybex's other customers), Cybex
and its affiliates shall offer for sale to Mobility any of their products that
incorporate Cybex Technology or Mobility Technology. The price of such product
sales to Mobility will be at a rate no greater than the lowest rate offered to
any third party independent of Cybex or its affiliates that purchases the same
product at comparable volumes. Moreover, Cybex and its affiliates agree to
provide Mobility an appropriate discount on the pricing for the applicable
products if the applicable Cybex or affiliate product incorporates a material
amount of Mobility Technology at terms to be mutually agreed upon in writing.

         5.3 Royalties due under Paragraph 5.1 shall be paid quarterly within 30
days of the end of each quarter. Payments shall be made by wire transfer to an
account specified in writing at least 30 days prior to the date a royalty
payment is due. Within 30 days after the end of each quarter, Mobility shall
furnish to Cybex a report providing the number and types of Cybex Technology
sold, the applicable royalty rate, and the total royalty paid.

         5.4 Mobility agrees to make and maintain such books, records and
accounts as are reasonably necessary to verify the royalty payments due Cybex
under this Agreement. An independent certified public accountant, selected by
Cybex, who agrees to sign a nondisclosure agreement may, upon reasonable notice
and during normal business hours, but no more often

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than twice each year, audit and inspect those records of Mobility which are
necessary to determine the accuracy of the royalty payments made to Cybex. In
the event that the independent audit reveals that the royalties owed by Mobility
for any given quarter are more than 5% greater than the royalties actually paid
by Mobility for that quarter, then in addition to remitting all outstanding
royalties shown to be due under the audit, all expenses incurred by Cybex in
conducting the audit shall be paid by Mobility within 30 days of receiving the
auditor's report; otherwise, all expenses incurred by Cybex in conducting the
audit shall be borne by Cybex.

                                      VI.

                                    COVENANTS

         6.1 Cybex hereby covenants not to utilize Cybex Technology, Mobility
Technology or any technology jointly developed by Mobility and Cybex in any
docking station product, application, or purpose for portable or handheld
computers.

                                      VII.

                              TERM AND TERMINATION

         7.1 The Term of this agreement is perpetual and can only be terminated
upon the written consent of both Cybex and Mobility or as provided in Section
7.2.

         7.2 Either Party shall have the right to terminate this Agreement upon
a material default by the other Party of any of its obligations hereunder, if
such default has not been cured within sixty (60) days after receipt of written
notice from the other Party of the alleged default. For purposes of this
Agreement, a material default includes, but is not limited to, the failure of
Mobility to pay any royalties when due and/ or the use of Cybex Technology
except as permitted in this Agreement.

                                     VIII.

                         REPRESENTATIONS AND WARRANTIES

         8.1 REPRESENTATIONS AND WARRANTIES OF CYBEX. Cybex hereby represents,
warrants and covenants to Mobility that as of the execution date of this
Agreement:

         (a) Cybex is a corporation duly organized, validly existing and in good
standing under the laws of the State of Alabama, with full power to carry on its
business and activities as now being conducted;

         (b) This Agreement has been duly authorized, executed and delivered by
Cybex. Cybex has the corporate power and authority to enter into this Agreement
and to perform its obligations hereunder. No other act, approval or proceeding
on the part of Cybex is or will be required to authorize the execution and
delivery of this Agreement, or the consummation of the transactions contemplated
hereby; and

         (c) The execution and delivery by Cybex of this Agreement will not, and
the fulfillment of and compliance by Cybex with the terms, conditions and
provisions hereof will

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not, (i) conflict with any of the terms, conditions or provisions of the
articles of incorporation or by-laws of Cybex, (ii) violate any term, condition
or provision of, or require any consent, authorization or approval under, any
judicial or arbitration judgment, order, award, writ, injunction or decree
applicable to Cybex, or (iii) conflict with, result in a breach of, constitute a
default under (whether with or without the giving of notice or the lapse of time
or both), or accelerate or permit the acceleration of the performance required
by, or require any consent, authorization or approval under any document,
instrument, agreement or license to which Cybex or a person under its control is
a party or is bound or to which any of the assets or properties of Cybex or such
person are subject, other than as set forth on Exhibit A attached hereto.

         8.2 REPRESENTATIONS AND WARRANTIES OF MOBILITY.

         (a) Mobility is a corporation duly organized, validly existing and in
good standing under the laws of the State of Arizona, with full power to carry
on its business and activities as now being conducted;

         (b) This Agreement has been duly authorized, executed and delivered by
Mobility. Mobility has the corporate power and authority to enter into this
Agreement and to perform its obligations hereunder. No other act, approval or
proceeding on the part of Mobility is or will be required to authorize the
execution and delivery of this Agreement, or the consummation of the
transactions contemplated hereby; and

         (c) The execution and delivery by Mobility of this Agreement will not,
and the fulfillment of and compliance by Mobility with the terms, conditions and
provisions hereof will not, (i) conflict with any of the terms, conditions or
provisions of the articles of incorporation or by-laws of Mobility, (ii) violate
any term, condition or provision of, or require any consent, authorization or
approval under, any judicial or arbitration judgment, order, award, writ,
injunction or decree applicable to Mobility, or (iii) conflict with, result in a
breach of, constitute a default under (whether with or without the giving of
notice or the lapse of time or both), or accelerate or permit the acceleration
of the performance required by, or require any consent, authorization or
approval under any document, instrument, agreement or license to which Mobility
or a person under its control is a party or is bound or to which any of the
assets or properties of Mobility or such person are subject.

         8.3 INDEMNIFICATION.

         (a) Mobility shall indemnify, hold harmless and defend Cybex, its
directors, officers, shareholders, employees, representatives, attorneys and
agents (each such Person a "Cybex Indemnitee") from and against any and all
claims, suits, losses, damages, costs, fees and expenses (including reasonable
attorneys' and experts witness fees and court costs) incurred by any Cybex
Indemnitee arising out of, resulting from or otherwise concerning a breach by
Mobility of any of Mobility's representations and warranties contained in this
Article 8.

         (b) Cybex shall indemnify, hold harmless and defend Mobility, its
directors, officers, shareholders, employees, representatives, attorneys and
agents (each such Person a "Mobility Indemnitee") from and against any and all
claims, suits, losses, damages, costs, fees and expenses (including reasonable
attorneys' and experts' fees and court costs) incurred by any Mobility
Indemnitee arising out of, resulting from or otherwise concerning a breach by
Cybex of any of Cybex's representations and warranties contained in this Article
8.

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         (c) Any Cybex Indemnitee or Mobility Indemnitee, as the case may be,
seeking to be held harmless, defended and indemnified in accordance with the
provisions of Section (a) or (b) of this Section 8.3 shall promptly notify
Mobility or Cybex, as appropriate (the "Indemnitor"), of any claim or suit
brought against such Cybex Indemnitee or Mobility Indemnitee in respect of which
such Cybex Indemnitee or Mobility Indemnitee intends to invoke the provisions of
this Section 8.3, although the failure to so notify the Indemnitor shall not
release such Indemnitor from its obligations under this Section 8.3 unless such
Indemnitor shall have been materially prejudiced by such failure. Such
Indemnitor shall indemnify, hold harmless and defend such Cybex Indemnitee or
Mobility Indemnitee, as the case may be, as above provided and keep such Cybex
Indemnitee or Mobility Indemnitee fully informed on a current basis of the
Indemnitor's defense and/or settlement of such claim or suit. The Cybex
Indemnitee or Mobility Indemnitee, as the case may be, shall reasonably
cooperate in the defense of such claim or suit and shall have the right, but no
obligation, to participate in the defense thereof with counsel of such Person's
choice at such Person's expense.

         8.4 WAIVER OF CONSEQUENTIAL DAMAGES, ETC. Except as otherwise
contemplated in Article 8, neither party shall be liable for indirect, special,
consequential or punitive damages (including loss of income, profits or
goodwill) arising under or in relation to this Agreement whether based on an
action or claim in contract, equity, negligence, intended conduct, tort or
otherwise and each party hereby waives any claims with respect thereto. In
connection with the conduct of any litigation with third parties relating to any
liability of one party to the other or to such third parties, the one party
shall have all rights (including the right to accept or reject settlement offers
and to participate in such litigation) which are appropriate to its potential
responsibilities or liabilities. Cybex and Mobility expressly acknowledge that
the limitations and exclusions contained in this Section 8.4 have been the
subject of active and complete negotiation between the parties and represent the
parties' agreement based upon the level of risk to Mobility and Cybex associated
with their respective obligations under this Agreement and the payments provided
to Cybex hereunder.

                                      IX.

                             PROPRIETARY INFORMATION

         9.1 PROPRIETARY INFORMATION. During the period from the date of
disclosure until three (3) years after the termination of this Agreement, Cybex
and Mobility, respectively, will treat and maintain the proprietary business,
technical, patent prosecution and other proprietary information, to include the
documentation and comments communicated between Cybex and Mobility
(collectively, the "Proprietary Information") of the other party in confidence
(using at least the same degree of care as the recipient uses to protect its own
Proprietary Information of a like nature) and only use such Proprietary
Information in furtherance of this Agreement and the transactions and matters
contemplated herein.

         9.2 PROPRIETARY INFORMATION. In order to be considered Proprietary
Information, proprietary information must be labeled or marked confidential or
proprietary by the disclosing party or reasonably be expected to be treated as
confidential or proprietary. The receiving party shall not remove any
proprietary or other legal notices from the Proprietary Information of the
disclosing party.

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         9.3 CONFIDENTIAL DISCLOSURE. Notwithstanding the foregoing, Cybex or
Mobility may disclose Proprietary Information of the other party to its
employees, agents, consultants, contractors and permitted sublicensees, provided
that each such Person is bound by a like duty of confidentiality and restriction
on use. Notwithstanding the foregoing, such disclosing party shall remain
ultimately responsible for any non-permitted use of the Proprietary Information
by such party's employees, agents, consultants, contractors and permitted
sublicensees.

         9.4 LIMITATIONS. Nothing contained herein will in any way restrict or
impair the right of Cybex or Mobility to use, disclose or otherwise deal with
any Proprietary Information of the other party:

         (i)      that the recipient can demonstrate by written records was
                  previously known to it;

         (ii)     that the recipient can demonstrate by written records was
                  independently developed by it without access to or use of the
                  Proprietary Information of the disclosing party;

         (iii)    that is now, or in the future becomes, publicly known other
                  than through acts or omissions of the recipient;

         (iv)     that is lawfully obtained by the recipient without
                  confidentiality or use restrictions known to the recipient
                  from sources independent of the disclosing party;

         (v)      that is required to be disclosed to a governmental entity or
                  agency in connection with seeking any governmental or
                  regulatory approval, or pursuant to the lawful requirement or
                  request of a governmental entity or agency; and/or

         (vi)     that the recipient is required to disclose pursuant to lawful
                  legal process or other applicable law.

                                       X.

                            DISCLAIMER OF WARRANTIES

         10.1 MOBILITY ACKNOWLEDGES THAT ITS USE OF THE CYBEX TECHNOLOGY IS AT
THE SOLE RISK OF MOBILITY. THE CYBEX TECHNOLOGY MAY CONTAIN DEFECTS, FAIL TO
COMPLY WITH APPLICABLE SPECIFICATIONS, AND PRODUCE UNINTENDED OR ERRONEOUS
RESULTS WHEN OPERATED ALONE OR IN COMBINATION WITH OTHER TECHNOLOGY OR ANY OTHER
HARDWARE, SOFTWARE, EQUIPMENT, OR PRODUCTS. MOBILITY ACCEPTS THE CYBEX
TECHNOLOGY "AS IS." NEITHER CYBEX NOR MOBILITY MAKE ANY WARRANTIES WITH RESPECT
TO THE SUBJECT MATTER OF THIS AGREEMENT OTHER THAN AS EXPRESSLY SET FORTH HEREIN
AND EACH PARTY EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTIES, INCLUDING WITHOUT
LIMITATION, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGMENT OR OF
FITNESS FOR A PARTICULAR PURPOSE. WITHOUT LIMITING THE FOREGOING, CYBEX
SPECIFICALLY DOES NOT WARRANT, GUARANTEE OR MAKE ANY

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REPRESENTATIONS: (i) THAT THE CYBEX TECHNOLOGY WILL MEET MOBILITY'S
REQUIREMENTS; (ii) THAT ANY PRODUCT INCORPORATING THE CYBEX TECHNOLOGY WILL BE
ERROR FREE OR OPERATE IN AN UNINTERRUPTED MANNER; (iii) REGARDING THE USE, OR
THE RESULTS OF THE USE, OF THE CYBEX TECHNOLOGY IN TERMS OF CORRECTNESS,
ACCURACY, RELIABILITY, CURRENTNESS, OR OTHERWISE. THE ENTIRE RISK AS TO THE
RESULTS AND PERFORMANCE OF THE CYBEX TECHNOLOGY IS ASSUMED BY MOBILITY. THE
WARRANTIES SET FORTH IN SECTIONS 8.1 AND 8.2 ABOVE ARE EXCLUSIVE AND IN LIEU OF
ALL OTHER WARRANTIES OR REMEDIES. NO VERBAL OR WRITTEN INFORMATION OR ADVICE
GIVEN BY CYBEX OR ITS AGENTS, REPRESENTATIVES OR EMPLOYEES SHALL CREATE A
WARRANTY OR IN ANY WAY INCREASE THE SCOPE OF THIS WARRANTY, AND MOBILITY SHALL
NOT RELY ON ANY SUCH INFORMATION OR ADVICE. THE FOREGOING DISCLAIMERS OF
WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS AGREEMENT. MOBILITY AGREES TO
RELEASE CYBEX FROM ANY LIABILITY ANY CUSTOMER OF MOBILITY SUFFERS OR INCURS DUE
TO THE USE OF ANY PRODUCT INCORPORATING THE CYBEX TECHNOLOGY. Mobility shall
include with the sales documentation for any product which incorporates Cybex
Technology or Cybex Chips a disclaimer of any express or implied warranties of
merchantability or of fitness for a particular purpose.

         10.2 Nothing in this Agreement shall be construed as a warranty or
representation by any of the Parties to this Agreement (i) as to the validity,
enforceability or scope of any patent, design patent or utility mode; (ii) that
any manufacture, sale, lease, import, use or other disposition of any products
hereunder will be free from infringement of any intellectual property right of
third parties.

         10.3 Nothing in this Agreement shall be construed as an agreement or
authorization for Mobility to bring or prosecute actions or suits on behalf of
Cybex against third parties for patent infringement or conferring any right to
bring or prosecute actions or suits on behalf of Cybex against third parties for
patent infringement.

         10.4 With the sole exception of its obligations to indemnify set forth
in Paragraph 8.3, Cybex's entire liability to Mobility for any cause whatsoever,
and regardless of the form of action, whether in contract or in tort, shall be
limited to the royalties actually paid by Mobility to Cybex pursuant to this
Agreement.

                                      XI.

                               GENERAL PROVISIONS

         11.1 MARKINGS. Mobility agrees to identify Cybex's products and
packaging incorporating Cybex Technology in a manner approved by Cybex, which
approval will not be unreasonably withheld.

         11.2 SUPPORT. Cybex agrees to provide reasonable support to Mobility to
educate Mobility in the use of Cybex Technology at no charge. Additionally,
Cybex will provide Mobility with development and architecture systems support to
meet Mobility's new product development objectives and requirements for a
charge. Such charge will be quoted in advance on a case by case basis.

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         11.3 ASSIGNMENT; BINDING EFFECT, ETC. This Agreement shall be binding
upon and inure to the benefit of Cybex and Mobility and their respective
permitted successors and permitted assigns. Subject to the following, the rights
and licenses of Mobility under this Agreement are personal to Mobility.
Notwithstanding the foregoing, Mobility may assign its rights and licenses under
this Agreement to any Affiliate (as hereinafter defined) or any successor to all
or substantially all of its business or assets without the prior written consent
of Cybex, provided such Affiliate or successor assumes in writing the
obligations of Mobility under this Agreement. Mobility Indemnitees and Cybex
Indemnitees are intended third party beneficiaries of this Agreement to the
extent expressly provided herein. Any permitted assignment of this Agreement by
either party shall not relieve or release such party from any of its duties or
obligations under this Agreement. Cybex shall not assign or transfer the Cybex
Technology or grant any security interest, lien, right, license or other
encumbrance upon or respecting the Cybex Technology unless such assignment,
transfer or grant is made expressly subject to the licenses and other terms and
conditions of this Agreement. Each and every permitted successor and permitted
assign to the interests of either party to this Agreement shall hold such
interests subject to the terms, conditions and provisions of this Agreement. For
the purpose of this Agreement, the term "Affiliate" shall mean any and all
corporations, partnerships, limited liability entities, and other entities that
are in or under direct or indirect control of Mobility or of another Affiliate
of Mobility and any and all corporations, partnerships, limited liability
entities, and other entities that are under common control with Mobility or any
successor to all or substantially all of the business of Mobility or such
Affiliate, and "control" shall exist whenever there is an ownership, profits,
voting, or other similar interest (including any right or option to obtain such
an interest) representing at least thirty percent (30%) of the total interests
of Mobility then outstanding (treating as outstanding any interests obtainable
by Mobility or the relevant Affiliate pursuant to the exercise of the
aforementioned rights or options).

         11.4 INTERPRETATION. The parties acknowledge and agree that this
Agreement was prepared and drafted by the parties equally, and that neither
party shall be considered to have drafted this Agreement, nor shall this
Agreement, or any term hereof, be construed against a party on the grounds that
the party was the drafter.

         11.5 ARBITRATION. Except as otherwise provided for in this Agreement,
all disputes, claims and controversies between the parties to this Agreement
shall be submitted to arbitration before a panel of three arbitrators. The
arbitration shall be conducted according to the commercial arbitration rules and
the rules governing large, complex cases of the American Arbitration
Association. A party shall commence arbitration under this paragraph by
submitting a concise statement of its claim and a demand for arbitration to the
other party and to the American Arbitration Association. The decision and award
of the arbitrators shall be final and binding, and the award so rendered may be
entered in any court having jurisdiction thereof. The arbitration shall be held
in Atlanta, Georgia. The arbitrators shall render their decision within thirty
(30) days after the Parties complete their submission of evidence and final
argument.

         11.6 RELIEF. Nothing in this Agreement shall preclude a party from
seeking equitable or injunctive relief from a court on an emergency, temporary
or expedited basis prior to the pendency of an arbitration proceeding; provided
that the arbitration panel, once appointed, shall have the power and authority
to modify or rescind such relief. Venue for any action brought under this
paragraph shall be in Atlanta, Georgia.

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         11.7 GOVERNING LAW. This Agreement, the entire relationship of the
parties hereto, as well as any claim by a party against another party, whether
grounded in tort, contract, law or equity, shall be construed and enforced in
accordance with the laws of the State of Delaware, without regard to its choice
of law principles.

         11.8 COUNTERPARTS. This Agreement and any amendments, waivers, consents
or supplements hereto may be executed in any number of counterparts, and by
different parties in separate counterparts, each of which when so executed and
delivered shall be deemed an original, but all such counterparts together shall
constitute but one and the same agreement. Each such agreement shall become
effective upon the execution of a counterpart hereof or thereof by each of the
parties hereto.

         11.9 NOTICES All notices required or permitted under this Agreement
shall be deemed to have been given and received five (5) days after being
deposited in the U.S. Mail, certified mail, return receipt requested, postage
prepaid, to the following addresses:

                  To Mobility:               Mobility Electronics, Inc.
                                             Charles Mollo
                                             Chief Executive Officer
                                             7955 E. Redfield Road
                                             Scottsdale, AZ  85260

                  To Cybex:                  Cybex Computer Products Corporation
                                             Doyle Weeks
                                             Executive Vice President
                                             4991 Corporate Drive
                                             Huntsville, Alabama  35805

         11.10 ENTIRE AGREEMENT. This Agreement constitutes the full and entire
understanding and agreement between the parties with regard to the subject
matter hereof and supersedes all prior or contemporaneous proposals, oral or
written, understandings, representations, conditions and all other
communications between the parties relating to such subject matter. Each party
represents and warrants to the other party that in entering into this Agreement
it has not relied on any representations, promises or assurances from the other
party or any employee, officer, director, representative, or attorney of the
other party not expressly contained in this Agreement. Any other terms or
conditions shall not be incorporated herein or be binding upon either party
unless expressly agreed to in writing by both parties.

         11.11 SEVERABILITY. If any provision of this Agreement is declared or
found to be illegal, unenforceable or void, then both parties shall be relieved
of all obligations arising under such provision, but only to the extent that
such provision is illegal, unenforceable or void. Further, this Agreement shall
be deemed amended by modifying such provision to the extent necessary to make it
legal and enforceable while preserving its intent or, if that is not possible,
by substituting therefor another provision that is legal and enforceable and
achieves the same intended objective. If the remainder of this Agreement shall
not be affected by such illegal, unenforceable or void provision and is capable
of substantial performance, then each provision not so affected shall be
enforced to the extent permitted by law.

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         11.12 INTERPRETATION. In any interpretation of this Agreement, it shall
be deemed that this Agreement was prepared jointly by the parties, and no
ambiguity shall be construed or resolved against either party on the premise or
presumption that such party was responsible for drafting this Agreement.

         11.13 WAIVER. No delay or omission by either party to exercise any
right or power hereunder shall impair any right or power or be construed to be a
waiver thereof. A waiver by either of the parties of any of the covenants,
conditions or agreements to be performed by the other party or any breach
thereof shall not be construed to be a waiver of any succeeding breach thereof
or of any other covenant, condition or agreement contained herein. All remedies
provided for in this Agreement shall be cumulative and in addition to and not in
lieu of any other remedies available to either party at law, in equity or
otherwise, and may be enforced concurrently therewith or from time to time.

         11.14 HEADINGS. Captions, headings and titles in this Agreement are for
reference purposes only and are neither part of this Agreement nor to be used
for purposes of interpreting the Parties' intent.

         11.15 FURTHER ACTS. Each party shall do, or cause to be done, all such
further acts, and shall execute, acknowledge and deliver, or cause to be
executed, acknowledged and delivered, any and all such further documentation as
the other party reasonably requires to carry out the purposes of this Agreement.

         11.16 MEDIA RELEASES. All media releases, public announcements and
public disclosures by Cybex or Mobility, or their respective representatives,
employees or agents, relating to this Agreement or its subject matter or using
the name of the other party shall be coordinated with and approved in writing by
the other party prior to the release thereof. Both Cybex and Mobility may
publicly disclose the existence of this Agreement and its broad purpose, but not
any of the specific terms thereof.

                                       11
<PAGE>   12

         IN WITNESS WHEREOF, the parties hereto have executed this Agreement
effective the day and year first above written.

                                      CYBEX COMPUTER PRODUCTS
                                      CORPORATION

                                      By: /s/ STEPHEN THORNTON
                                         ---------------------------------

                                      Its: Executive Vice President
                                          --------------------------------

                                      MOBILITY ELECTRONICS, INC.

                                      By: /s/ CHARLES R. MOLLO
                                         ---------------------------------

                                      Its: President and Chief Executive
                                           Officer
                                          --------------------------------

                                       12<PAGE>   1
                                                                   EXHIBIT 10.52

                             PRIVATE LABEL AGREEMENT

         This Private Label Agreement (this "Agreement") is made and entered
into as of March 6, 2000 (the "Effective Date"), by and between Mobility
Electronics, Inc., a Delaware corporation ("Mobility"), and Cybex Computer
Products Corporation, an Alabama corporation ("Cybex"). For purposes of this
Agreement, "Cybex" shall include its subsidiaries; provided, however, that Cybex
shall be responsible for the actions and/or inactions of its subsidiaries with
respect to the performance of this Agreement. Cybex and Mobility are each
sometimes referred to herein as a "Party" and collectively as the "Parties".

1        DEFINITIONS

         1.1      "Custom Products" means products, including unique plastics
                  and/or characteristics or other differentiating features,
                  developed specifically for Customer by Mobility.

         1.2      "PO's" means Cybex's purchase orders issued under this
                  Agreement.

         1.3      "Products" means, collectively, the Custom Products and the
                  Standard Products.

         1.4      "Standard Products" means the products of Mobility described
                  on Attachment I of this Agreement, other than Custom Products.

2        TERM

         2.1      Subject to Section 2.2 below, this Agreement shall commence on
                  the Effective Date and shall continue for a period of three
                  (3) years thereafter (the "Initial Term"); provided, however,
                  that the term of this Agreement shall be renewed on a
                  year-to-year basis thereafter (each, a "Renewal Term"), unless
                  either Party gives written notice to the other Party, at least
                  ninety (90) days prior to the end of the then-current term, of
                  such Party's desire to terminate this Agreement at the
                  expiration of the then-current term. The Initial Term and any
                  Renewal Term(s) are sometimes collectively referred to herein
                  as the "Term". Notwithstanding the above, this Agreement shall
                  continue after the expiration of the Term with respect, and
                  only with respect, to any Products on order pursuant to PO's
                  accepted by Mobility prior to or at the time of such
                  termination.

         2.2      This Agreement may be terminated by either Party upon the
                  material breach of this Agreement by the other Party, which
                  breach is not cured within sixty (60) days after delivery of
                  written notice by the non-breaching Party to the breaching
                  Party.

Cybex Private Label Agreement - 2401369                                   Page 1

<PAGE>   2

3        SALES AND PURCHASE OF PRODUCTS

         3.1      Mobility agrees to sell the Products to Cybex on a
                  non-exclusive basis. Cybex hereby agrees that Mobility shall
                  be the exclusive manufacturer and supplier to Cybex of any of
                  the following products for portable or handheld computers: (i)
                  power products, (ii) USB docking products; (iii)split bridge
                  docking station products.

         3.2      Mobility agrees to use commercially reasonable efforts to
                  develop any Custom Product requested in writing by Cybex,
                  subject to the remainder of this Section. Any Custom Product
                  shall be developed and manufactured pursuant to the terms and
                  conditions of this Agreement (including, without limitation,
                  Section 3.3 below). In addition, prior to commencing the
                  development of any Custom Product, the Parties shall have
                  mutually agreed to a development program schedule, pricing,
                  quantity purchase minimum and a PO lead time, which agreement
                  shall be in writing in the form of Attachment 2 to this
                  Agreement. Mobility agrees that it will not market or sell any
                  Custom Product to any person or entity other than Cybex.

         3.3      Cybex agrees that at the time Mobility begins to develop a
                  Custom Product, Cybex will place a separate PO for NRE Charges
                  applicable to each Custom Product and that each PO will be
                  subject to varying engineering charges and tooling charges
                  (collectively, the "NRE Charges"), which will be dependent
                  upon the Custom Product being developed, the order of a
                  minimum quantity over a commercially reasonable period of
                  time, sufficient lead time given to Mobility and the price of
                  each Custom Product, with such terms agreeable by both
                  Parties, which PO shall be non-cancellable, with the terms of
                  such NRE Charges being fifty percent (50%) due and payable
                  upon placement of the PO, and the remaining fifty percent
                  (50%) due and payable upon completion of the tool.

4        ORDERING AND DELIVERY

         4.1      Cybex will provide to Mobility on a calendar monthly basis a
                  six-month rolling forecast of anticipated purchases of
                  Products by Cybex within the following six-month period.

         4.2      Cybex will order Products through placement of PO's from time
                  to time. Cybex will use its best efforts to place PO's with
                  Mobility using minimum lead times specified from time to time
                  by Mobility. In addition, Cybex agrees that each PO will
                  specify Product unit orders in excess of the minimum size
                  order established by Mobility from time to time.

         4.3      Mobility agrees to use all commercially reasonable efforts to
                  deliver the Products to Cybex in a timely manner, as provided
                  in the PO's; it being acknowledged and agreed that Mobility
                  will manufacture to PO's provided by Cybex and, at Mobility's
                  sole discretion, will not manufacture or inventory Products in
                  excess of PO quantities.

Cybex Private Label Agreement - 2401369                                   Page 2

<PAGE>   3

         4.4      All deliveries of Products will be made point of manufacture.
                  Mobility will accommodate other delivery requests made by
                  Cybex for an additional charge.

         4.5      Each Product and related package shall include "EasiDock" and
                  "Split Bridge" logos, which logos shall be displayed
                  prominently in a manner acceptable to Mobility. The Products
                  may include any other packaging and/or marketing material in
                  Cybex's name as Cybex may from time to time request.

5        MOBILITY WARRANTIES

         5.1      Mobility shall manufacture the Standard Products in accordance
                  with Mobility's specifications, which specifications may be
                  changed from time to time by Mobility upon at least thirty
                  (30) days prior written notice to Cybex. Mobility shall
                  manufacture Custom Products in accordance with the
                  specifications for such Custom Products. Mobility shall not
                  make any material change in the Custom Products without prior
                  written approval of Cybex.

         5.2      Mobility warrants that all Products shall comply with all
                  applicable governmental certificates, and be free from defects
                  in design, material, workmanship and performance for a period
                  of two years from the date of delivery hereunder. Cybex will
                  provide written notice of any warranted defect promptly upon
                  its discovery. Upon receipt of such notice, Mobility shall
                  arrange for the repair or replacement, at Mobility's sole
                  discretion, of the Product and shall bear all costs necessary
                  to complete such repair or replacement. Cybex shall not be
                  required to return failed Products to Mobility, unless
                  specifically requested by Mobility. At the request of
                  Mobility, Cybex shall use its best efforts to deliver to
                  Mobility, at Mobility's cost and expense, any failed Products.
                  Any Products returned shall be subject to reasonable
                  inspection by, and the concurrence of, Mobility.

         5.3      Mobility warrants that it has the unrestricted worldwide right
                  to manufacture, sell and deliver the Products to Cybex and
                  that it has in place proper authorizations and licenses from
                  all parties as may be necessary to deliver the Products to
                  Cybex.

         5.4      Mobility warrants that no Products will infringe any patent,
                  copyright, trademark, trade secret or other proprietary or
                  intellectual property right of any third party. Mobility shall
                  indemnify, defend and hold harmless Cybex, its parent,
                  subsidiaries, affiliates and customers (each an "Indemnitee"
                  and collectively, the "Indemnities") from any damage, expense,
                  liability, cost (including attorneys fees and expenses)
                  arising out of any suit, claim, action or proceeding alleging
                  any such infringement. Cybex agrees to provide prompt written
                  notice to Mobility upon receipt by any Indemnitee of any suit,
                  claim, action or proceeding alleging such infringement, and
                  Mobility shall have the right to defend such suit, claim,
                  action or proceeding at its own expense. Such Indemnitee may
                  participate in such defense at its own expense and will
                  reasonably cooperate with Mobility in the defense thereof, and
                  such Indemnitee agrees that it will not unreasonably withhold
                  its consent to any settlement or compromise thereof.

Cybex Private Label Agreement - 2401369                                   Page 3

<PAGE>   4

         5.5      THE ABOVE WARRANTIES ARE IN LIEU OF ANY OTHER WARRANTY,
                  WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT
                  LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR
                  PURPOSE, WHICH WARRANTIES ARE SPECIFICALLY DENIED.

6        PRODUCT PRICING AND PAYMENT

         6.1      The initial pricing for Custom Products shall be as mutually
                  agreed to by the Parties as provided in Section 3.2 above.

         6.2      The pricing for Standard Products will be Mobility's OEM
                  pricing for customers of similar volumes.

         6.3      Products shall be provided in bulk packaging. Mobility will
                  use all commercially reasonable efforts to accommodate changes
                  in packaging and special delivery and additional and special
                  packaging requests by Cybex for an additional charge.

         6.4      Mobility shall invoice Cybex upon delivery. Payment for
                  Product invoices shall be subject to a credit limit as
                  determined from time to time in the sole discretion of
                  Mobility, net thirty (30) days from date of invoice. Nothing
                  shall excuse Cybex's obligation to pay correct invoice amounts
                  for Products which have been delivered and accepted by Cybex.

         6.5      All amounts payable by Cybex to Mobility under this Agreement
                  and under the PO's shall be paid in United States dollars.

7        CONFIDENTIAL INFORMATION AND COVENANTS NOT-TO-COMPETE

         7.1      All copies of any confidential information delivered by any
                  Party to the other Party pursuant to or as a result of this
                  Agreement shall, upon the written request of the Party
                  delivering the same, be promptly returned by the Party
                  receiving the same, and each receiving Party agrees that it
                  will hold in confidence such confidential information
                  delivered from the other Party and shall use such confidential
                  information only in furtherance of and in connection with this
                  Agreement and its performance hereunder and not for any other
                  purpose. For purposes of the preceding sentence, "confidential
                  information" shall not include information which: (i) is or
                  becomes generally available to the public other than as a
                  result of disclosure which is in violation of this Section;
                  (ii) was known by the receiving Party on a nonconfidential
                  basis prior to the disclosure thereof; or (iii) is acquired by
                  the receiving Party from a third party who has not
                  confidential commitment to the delivering Party with respect
                  to the same.

         7.2      Cybex agrees that during the Term, neither Cybex nor any of
                  its affiliates shall, directly or indirectly, for itself or on
                  behalf of any other corporation, person, firm, partnership,
                  association, or any other entity (whether as an individual,
                  agent, servant, employee, employer, officer, director,
                  shareholder, manager, member, investor, principal, consultant
                  or in any other capacity): (i) develop, acquire,

Cybex Private Label Agreement - 2401369                                   Page 4

<PAGE>   5

                  manufacture, sell or offer for sale, or enter into or
                  negotiate any agreement, understanding or arrangement to
                  develop, acquire, manufacture, sell or offer for sale, any
                  place in the world any product which is directly or indirectly
                  competitive with any Product for usage with portable or
                  handheld computers, or (ii) finance any person or entity in
                  any manner or in any way inconsistent with the intents and
                  purposes of (i) above.

                  In the event of Cybex's breach, or threatened breach, of any
                  term or provision contained in this Section 7.2, Cybex agrees
                  that Mobility and/or its affiliates shall be entitled to the
                  right of specific performance and/or both temporary and
                  permanent injunctive relief. It is the intent of each of the
                  Parties that the covenants not-to-compete contained in this
                  Section 7.2 be enforced to the fullest extent permitted by
                  applicable law. Accordingly, should a court of competent
                  jurisdiction determine that the scope of any covenant is too
                  broad to be enforced as written, it is the intent of each of
                  the Parties hereto that the court should reform such covenant
                  to such narrower scope as it may determine is necessary to
                  make such covenant enforceable. Each of the Parties hereto
                  recognizes and agrees that this Section 7.2 is necessary and
                  essential to the protection of the business conducted and to
                  be conducted in the future by the Parties and/or their
                  respective affiliates, and to enable the Parties to realize
                  and drive all of the benefits, rights and expectations of this
                  Agreement; that the area and duration of the covenants herein
                  are in all aspects, under the circumstances of this Agreement,
                  reasonable; and that good and valuable consideration exists
                  for the such Party agreeing to be bound by such covenants.

8        MARKETING PRODUCTS

         8.1      Cybex agrees to use its best efforts to market and sell the
                  Products on a non-exclusive basis.

9        PO CHANGES

         9.1      Cybex may, upon written notice, modify any PO within the
                  following parameters:

                  (a)      PO's for Products to be delivered within thirty (30)
                           days from the date of any such notice are
                           non-cancellable and may not be rescheduled.

                  (b)      PO's for Products to be delivered between thirty one
                           (31) days and sixty (60) days from the date of any
                           such notice are not cancellable, but can be
                           rescheduled for a maximum of thirty (30) days from
                           the original delivery date.

                  (c)      PO's for Products to be delivered more than sixty
                           (60) days from the date of any such notice may be
                           rescheduled or canceled prior to the commencement of
                           such sixty (60) day period, and may be rescheduled
                           during such sixty (60) day period as provided in (b)
                           above.

                  (d)      PO's for NRE Charges are non-cancellable and cannot
                           be rescheduled.

Cybex Private Label Agreement - 2401369                                   Page 5

<PAGE>   6

10       DISPUTES

         10.1     The Parties will attempt to resolve disputes through ascending
                  levels of management. Disputes which cannot be resolved by
                  negotiation between the Parties may be referred to arbitration
                  by an international arbitral body acceptable to both Parties,
                  provided no arbitrator shall have authority to award any
                  indirect or speculative damages (including, without
                  limitation, consequential, incidental, special or punitive
                  damages).

11       GOVERNING LAW

         11.1     This Agreement, and PO's issued hereunder, shall be governed
                  by and interpreted in accordance with the substantive and
                  procedural laws of the State of Arizona, United States of
                  America, and each Party hereby submits to the jurisdiction and
                  venue of the courts of the State of Arizona, county of
                  Maricopa.

         11.2     The United Nations Convention on the International Sale of
                  Goods shall not apply to this Agreement or any PO issued
                  thereunder.

12       LIMITATION OF LIABILITY

         12.1     Each Party hereby waives any right to recover any indirect or
                  speculative damages (including, without limitation,
                  consequential, incidental, special or punitive damages) from
                  the other Party.

13       GENERAL PROVISIONS

         13.1     The Parties agree that Mobility shall bear the loss for the
                  destruction of any completed or partially completed Products
                  which may occur prior to delivery thereof ("delivery" being
                  defined as F.O.B. point of shipment), and that Cybex shall
                  bear the loss from the destruction or breakage of any Products
                  after delivery thereof.

         13.2     This Agreement is subject to strikes and lockouts or refusal
                  of employees to work, or the inability of Mobility to be able
                  to cause Products manufactured for Mobility outside of the
                  United States of America to be delivered into the United
                  States of America, and for such cause that portion of this
                  Agreement affected thereby may be suspended during the
                  continuance thereof. Impossibility of performance by reason of
                  any legislative, executive or judicial act of any government
                  or state any other similar or dissimilar cause which cannot be
                  prevented by either Party or by the exercise of proper
                  diligence, shall excuse performance of this Agreement.
                  Bankruptcy of either Party shall allow the other Party, at its
                  sole discretion, to terminate this Agreement. The Parties
                  agree that the Party who is unable to perform its obligations
                  hereunder because of any of the reasons set forth in this
                  Section 13.2 shall give prompt written notice to the other
                  Party of such inability to perform.

Cybex Private Label Agreement - 2401369                                   Page 6

<PAGE>   7

         13.3     This Agreement and all terms, covenants and conditions
                  contained herein shall inure to the benefit of and shall be
                  binding upon the undersigned Parties and their respective
                  heirs' executors, administrators, trustees, successors and
                  assigns. Neither Party may assign or transfer any of its
                  rights or obligations hereunder without prior written consent
                  of the other Party, which consent shall not be unreasonably
                  withheld.

         13.4     All notices, requests, demands and other communications
                  hereunder shall be in writing and shall be deemed to have been
                  delivered on the date on which it is hand-delivered or
                  delivered by facsimile, or on the fifth business day following
                  the date on which it is mailed, first-class, postage prepaid,
                  and registered or certified with return receipt requested. For
                  purposes of notice, the addresses of the parties shall be:

                    If to Cybex:         Cybex Computer Products Corporation
                                         4991 Corporate Drive
                                         Huntsville, Alabama  35805
                                         Phone:        (256) 430-4000
                                         Fax:          (256) 430-4030
                                         Attn:         Executive Vice President

                    If to Mobility:      Mobility Electronics, Inc.
                                         7955 Redfield Road
                                         Scottsdale, AZ  85260
                                         Phone:        (480) 596-0061
                                         Fax:          (480) 596-0349
                                         Attn:         Chief Executive Officer

                  Any Party may change its address for notice by written notice
                  given to the other Party in accordance with this Section.

         13.5     Any debts, obligations, covenants or liabilities accrued
                  hereunder between the Parties hereto shall survive the
                  expiration or termination of this Agreement for whatever
                  reason.

         13.6     This Agreement (including the Attachments hereto) constitutes
                  the entire agreement between the Parties regarding the subject
                  matter hereof and supersedes all prior agreements and
                  understandings, both written and oral, between the Parties
                  with respect to the subject matter hereof. Each of the Parties
                  agrees to take such actions as may be necessary or desirable
                  to implement and retain the intent and spirit of this
                  Agreement, and omit to take such actions which could hinder
                  the furtherance of such intent and spirit.

         13.7     If any provision of this Agreement is held to be illegal,
                  invalid or unenforceable under present or future laws
                  effective during the term, such provision shall be

Cybex Private Label Agreement - 2401369                                   Page 7

<PAGE>   8

                  fully severable and this Agreement shall be construed and
                  enforced as if such illegal invalid or unenforceable provision
                  never comprised a part hereof, and the remaining provisions
                  hereof shall remain in full force and effect and shall not be
                  affected by the illegal, invalid or unenforceable provision or
                  by its severance herefrom. Furthermore, in lieu of such
                  illegal, invalid or unenforceable provision, there shall be
                  added automatically as part of this Agreement a provision as
                  similar in its terms to such illegal, invalid or unenforceable
                  provision as may be possible and be legal, valid and
                  enforceable.

         13.8     The headings in the Agreement are for convenience of reference
                  only and shall not limit or otherwise affect the meaning of
                  this Agreement.

         13.9     This Agreement may be executed in one or more counterparts,
                  each of which shall be deemed an original and all of this
                  shall constitute one and the same instrument but only one of
                  which need be produced.

         EXECUTED as of the date first above written.

                                            MOBILITY ELECTRONICS, INC.

                                            By: /s/ CHARLES R. MOLLO
                                               ---------------------------------

                                            Its: President and Chief Executive
                                                 Officer
                                                --------------------------------

                                            CYBEX COMPUTER
                                            PRODUCTS CORPORATION

                                            By: /s/ STEPHEN THORNTON
                                               ---------------------------------

                                            Its: Executive Vice President
                                                --------------------------------

Cybex Private Label Agreement - 2401369                                   Page 8

<PAGE>   9

                                  Attachment 1

                                Standard Products

1.   Mobility's complete line of distribution power products, docking station
     products and monitor stands as published from time to time.

2.   Mobility's complete line of distribution USB products as published from
     time to time.

3.   Mobility's complete line of distribution Split Bridge universal docking
     products as published from time to time.

<PAGE>   10

                                  ATTACHMENT 2

                             NEW CUSTOM PRODUCT FORM

Product Specification:

NRE Charge:

Tooling Charge:

Product Charge:

Forecast:

Date:
     ---------------------

                                               CYBEX COMPUTER
                                               PRODUCTS CORPORATION

                                               By:
                                                  ------------------------------
                                               Its:
                                                   -----------------------------

                                               MOBILITY ELECTRONICS, INC.

                                               By:
                                                  ------------------------------
                                               Its:
                                                   -----------------------------

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