Document:

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                                                                   Exhibit 1O(j)

                              CONSULTING AGREEMENT
                              --------------------

This Consulting Agreement ("Agreement") is to be effective as of the 4" day of
March, 2003, by and between Power Technologies, Inc., ("Company"), with offices
located at 1OOOW. Bonanza Rd., Las Vegas, NV 89106, and Barry Clark
("Consultant"), an individual doing business as Sussex Avenue Partners LLC,
having his principal address at 300 Carlsbad Village Drive, Suite 108A,
Carlsbad, CA 92008.

For the purposes of this Agreement, either of the above shall be referred to as
a "Party" and collectively as the "Parties".

The Parties hereby agree as follows:

1.   APPOINTMENT OF BARRY CLARK. Company hereby appoints Consultant and
     Consultant hereby agrees to render services to Company as a Marketing and
     Sales Representative.

2.   SERVICES. During the term of this Agreement, Consultant shall provide
     advice to undertake for and consult with the Company concerning management
     of sales and marketing resources, consulting, strategic planning, corporate
     organization and structure, financial matters in connection with the
     operation of the businesses of the Company, expansion of services,
     acquisitions and business opportunities, and shall review and advise the
     Company regarding its and his overall progress, needs, and condition.
     Consultant agrees to provide on a timely basis the following enumerated
     services plus any additional services contemplated thereby:

     (a)  The implementation of short-range and long-term strategic planning to
          fully develop and enhance the Company's assets, resources, products,
          and services;

     (b)  The implementation of a marketing program to enable the Company 10
          broaden the markets for its services and promote the image of the
          Company and its products and services;

     (c)  Advise the Company relative to the recruitment and employment of key
          executives consistent with the expansion of operations of the Company.

     (d)  The identification, evaluation, structuring, negotiating, and closing
          of jcint ventures, strategic alliances, business acquisitions, and
          advise with regard to the ongoing managing and opcrating of such
          acquisitions upon consummation thereof; and (e) Advise and
          recommendations regarding corporate financing including the
          structures, terms, and content of bank loans, institutional loans,
          private debt funding.

     TERM. The term ("Term") of this Consulting Agreement shall be for a period
     of four (4) months commencing on the date hereof. The contract will
     automatically be extended, for an additional three (3) months. Either party
     hereto shall have the right to terminate this Agreement upon thirty (30)
     days prior written notice to the other party after the first three (3)
     months.

3.   COMPENSATION. See Attachment "A".

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4.   CONFIDENTIALIIY. Consultant will not disclose to any other person, firm or
     corporation, nor use for its own benefit, during or after the Term of this
     Consulting Agreement, any trade secrets or other information designated as
     confidential by Company which is acquired by Consultant in the course of
     performing services hereunder. Any financial advice rendered by Consultant
     pursuant to this Consulting Agreement may not be disclosed in any manner
     without the prior written approval of Company.

5.   INDEMNIFCATION. Company, its agents or assigns hereby agree to indemnifjr
     and hold Consultant harmless from and against all losses, claims, damages,
     liabilities, costs or expenses (including reasonable attorney's fees,
     collectively the "Liabilities"), joint and several, arising from the
     performance of this Consulting Agreement, whether or not Consultant is
     party to such dispute. This indemnity shall not apply, however, and
     Consultant shall indemnifjl and hold Company, its affiliates, control
     persons, officers, employees and agents harmless from and against all
     Liabilities, where a court of competent jurisdiction has made a final
     determination that Consultant engaged in gross recklessness and willful
     misconduct in the performance of its services hereunder.

6.   INDEPENDENT CONTRACTOR. Consultant and Company hereby acknowledge that
     Consultant is an independent contractor. Consultant shall not hold itself
     out as, nor shall it take any action from which othcrs might infcr that it
     is an agent of or a joint vcnture of Company.

7.   MISCELLANEOUS. This Consulting Agreement sets forth the entire
     understanding of the Parties relating lo the subject matter hereor, and
     supersedes and cancels any 11-ior cornrriunications, understandings and
     agreements between the Parties. This Consulting Agreement is non-exclusive
     and cannot be modified or changed, nor can any of its provisions be waived,
     except by written agreement signed by all Parties. This Consulting
     Agreement shall be governed by the laws of the State of California without
     reference to the conflict of law principles thereof. In the event of any
     dispute as to the Terms of this Consulting Agreement, the prevailing Party
     in any litigation shall be entitled to reasonable attorney's fees.

8.   NOTICES. Any notice required or permitted hereunder shall be given in
     writing (unless otherwise specified herein) and shall be deemed effectively
     given upon personal delivery or seven business days after deposit in the
     United States Postal Service, by (a) advance copy by fax. (b) mailing by
     express courier or registered or certified mail with postage and fees
     prepaid, addressed to each of the other Parties thereunto entitled at the
     following addresses, or at such other addresses as a Party may designate by
     ten days advance written notice to each of the other Parties at the
     addresses above and to the attention of the persons that have signed below.
     2 3 ATTACHMENT "A" Payment for services: A. For the services rendered and
     performed by Barry Clark during the tenn of this Agreement, Company shall,
     upon acceptance of this Agreement: Pay to Barry Clark five hundred thousand
     (500,000) fiee-trading shares of PWTC stock for four (4) months of service.
     Accepted with full authority: Power Technologies, Inc.

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Please confirm that the foregoing sets forth our understanding by signing the
enclosed copy of this Consulting Agreement where provided and returning it to me
at your earliest convenience.

All Parties signing below do so with full authority:

Party Receiving Services:                    Party Providing Services:

Power Technologies, Inc.                     Barry Clark, an individual

/s/ Lee Balak                                /s/ Barry Clark
--------------------------------             -----------------------------------
Lee Balak, CEO                               Barry Clark, an individual

                                       3
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                                 ATTACHMENT "A"
                                 --------------

Payment for services:

A.   For the services rendered and performed by Barry Clark during the term of
     this Agreement, Company shall, upon acceptance of this Agreement: Pay to
     Barry Clark five hundred thousand (500,000) free-trading shares of PWTC
     stock for four (4) months of service.

Accepted with full authority:

Power Technologies, Inc.

By: /s/ Lee Balak
    ----------------------------------
    Lee Balak, CEO

                                       4<PAGE>

AGREEMENT IN PRINCIPLE TO ESTABLISH NXCELL                    [nxcell Logo Here]

                     Amended Agreement in Principle to form
                          NxCell Batteries & Power Inc.
                    (An Advanced Battery Technology Company)

GOALS

1.1  To create a world class battery company (NxCell Batteries Inc.) and
     development team with access to international companies using and
     distributing batteries, and focused on immediate product performance driven
     market niches and in the near term opportunities for hybrid electric and
     mini-hybrid (42 volt) electric vehicle applications.

1.2  To develop and commercialize the advanced performance battery technology
     concepts currently under development by Power Technology Inc. (PWTC) in
     conjunction with BC Research (BCR) as soon as possible.

1.3  To finance the company from private placements, strategic partners and
     government incentive programs.

1.4  To add other contingent advanced battery and energy storage system
     technologies presently at the conceptual development stage at BCR.

Prerequisites

2.1  To attract and optimise Canadian government funding and tax credits etc.
     NxCell will be a Canadian private corporation allowing for possible
     eligibility as a CCPC after financing.

2.2  To attract private venture capital as soon as possible, PWTC's technology
     will be exclusively and unconditionally licensed to NxCell, and NxCell will
     have the following characteristics:

     (a) an IP position based on proven technology;

     (b) a strong commercialisation strategy and a clear focus on an emerging
         market which NxCell could dominate in and this will be for hybrid and
         automotive applications of the future;

     (c) immediate revenue opportunities which will be through military, marine
         and other special power applications where the technology will be
         proven on a batch production basis; and

     (d) a strong management and technical team with a solid network in the
         industry and market sectors which will be contributed initially mainly
         by BCR and PWTC either directly or through contract arrangements; and

     (e) a commercialization and production plan including a pilot plant
         facility capable of scale up to NxCell production plants or
         sub-licensee plants.

Scope of Agreement

3.1  The existing PWTC advanced lightweight lead acid battery technology will be
     exclusively and unconditionally licensed to NxCell.

CONFIDENTIAL - APRIL 2003

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                                                           I N I T I A L S
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                                                          BCR        PWTC
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                                     Page 1

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3.2  BCR will similarly exclusively license any interests it may have in future
     battery technologies where these strategically enhance NxCell' business and
     operating plans..

3.3  NxCell will be held initially 65% by PWTC, with the remaining 35% held by
     BCR and the founding management and technical team on the understanding
     that BCR will hold at least 25% and approximately 10% will be held by the
     founding management and technical team.

3.4  BCR and PWTC will ensure that NxCell establishes a competent management
     team and Board of Directors capable of commercializing the technology
     successfully. PWTC and BCR will initially each nominate a Board member for
     a 5 member board that is structured towards TSX compliance, and until such
     time as the Board decides otherwise, the President of NxCell shall be a
     Board member.

3.5  BCR and PWTC will develop a viable business plan and marketing strategy
     NxCell which will address all available markets including, the selection of
     an initial focus on accessible niche markets plus a larger market requiring
     the advantages of the core technology and other technologies offered to
     NxCell by its principals.

3.6  BCR will provide under contract technical support required for current PWTC
     initiatives and also provide technical resources under contract to NxCell.
     NxCell will have the right to source work outside BCR.

3.7  BCR and PWTC will work together with the management of NxCell to ensure
     that NxCell is adequately financed with the goal of securing government and
     private financing of $5 million, provided that any equity financing be
     approved by BCR and PWTC.

3.8  BCR will provide management and technical resources to assist the President
     of NxCell in securing financing. The cost of the President and associated
     support will be the responsibility of BCR until such time as NxCell has
     financing in place.

Financial Obligations of Parties

4.1  BCR and PWTC will each be responsible for their own costs until completion
     of an initial financing at which time those personnel key to NxCell
     operations will be offered employment in NxCell and other personnel will
     continue to be involved only through BCR and PWTC contracts.

4.2  Any financial obligations between BCR and PWTC must be settled prior to
     concluding the final agreement to establish NxCell and any outstanding
     balance will be converted to a convertible loan to NxCell.

4.3  BCR will lease to NxCell up to 1000 square feet of office and lab space for
     a term of two years, and the lease cost shall be $1 per year until such
     time as they can secure at least $2 million in third party financing.

Terms and Conditions of PWTC License

5.1  The license will be exclusive and unconditional with the right to
     sub-license. The license shall include all PWTC's intellectual property
     pertaining to advanced light weight lead acid batteries and specifically
     the exclusive rights to develop, sell and sub-license products using PCT
     Patent Application # US02/30,607 and US Patent #6,060,198 to NxCell. The
     license will be granted for a cash consideration as described in Section
     5.4 and for an initial equity holding as described in Section 3.3. Ten
     percent (10%) of PWTC's shares in NxCell will be held in escrow and will be

CONFIDENTIAL - APRIL 2003

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                                                           I N I T I A L S
                                                     --------------- -----------
                                                          BCR        PWTC
                                                     --------------- -----------

                                                     =============== ===========

                                     Page 2

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     released upon completion of the registration of NxCell's exclusive license
     to PCT Patent Application # US02/30,607 to NxCell. A further 5% will be of
     PWTC;s shares in NxCell will be held in escrow and will be released upon
     the completion of the registration of NxCell's exclusive license to US
     Patent #6,060,198 .

5.2  All sub-licenses and joint ventures shall be negotiated and granted by
     NxCell, and except for North and South America where the terms shall be at
     the discretion of NxCell, NxCell shall be restricted to the following
     conditions unless specifically agreed otherwise by PWTC:

     (a)  PWTC shall receive 50% of all royalties and fees accruing to NxCell
          from sub-licenses;

     (b)  PWTC shall hold a direct interest in any joint ventures equal to that
          of NxCell but NxCell shall have voting control over the combined PWTC
          and NxCell interest, and it is understood that this combined interest
          will be at least 51% in most cases;

     (c)  NxCell will keep PWTC apprised of all third party negotiations and
          PWTC will notify NxCell of any contacts they wish to facilitate, and
          PWTC and NxCell will participate and cooperate in third party
          negotiations as appropriate to each case.

5.3  Notwithstanding Clause 5.2, PWTC may opt to keep the first US$2 million in
     fees from any sub-license granted to a joint venture with redacted, and
     in this event, NxCell may opt to keep an equivalent amount in fees,
     or an equivalent percentage interest in equity from a future sub-license or
     joint venture.

5.4  NxCell shall pay to PWTC an annual license fee of $120,000 USD for three
     years, payable in equal monthly installments, except that this license fee
     shall only be payable to the extent that the working capital of NxCell
     exceed $1 million USD. This license fee shall provide for NxCell to receive
     marketing efforts and technical direction from key Directors of PWTC.

5.5  Any improvements to the technology, proprietary information or business
     relationships developed or established by NxCell (Improvements) shall be
     the exclusive property of NxCell.

5.6  PWTC and BCR shall have no claim or rights to NxCell's technologies except
     via their ownership in NxCell.

5.7  Provided that the conditions in Item 4.2 are met, PWTC will receive a
     payment equivalent to $6,000 CAD upon signing of the final agreement.

IN WITNESS WHEREOF of the parties have duly executed this Amended Agreement in
Principle the 6'th day of April, 2003:

For POWER TECHNOLOGIES INC.

/s/ Lee Balak
------------------------------------
Authorized Signatory
LEE BALAK, CEO AND DIRECTOR

For B.C. RESEARCH INC.

/s/ James Hill
------------------------------------
Authorized Signatory
JAMES HILL, PRESIDENT

CONFIDENTIAL - APRIL 2003

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                                                           I N I T I A L S
                                                     --------------- -----------
                                                          BCR        PWTC
                                                     --------------- -----------

                                                     =============== ===========

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