Document:

Exhibit 4.58

                            CAPE SYSTEMS GROUP, INC.
                                3619 Kennedy Road
                       South Plainfield, New Jersey 07080

                                                                  March 16, 2006

AJW Partners, LLC
AJW Offshore, Ltd.
AJW Qualified Partners, LLC
New Millennium Capital Partners II, LLC
1044 Northern Boulevard, Suite 302
Roslyn, New York 11576

      RE: Waiver of Defaults

Gentlemen:

This letter shall serve as a waiver to defaults and damages resulting from such
defaults under the Securities Purchase Agreements and all agreements
incorporated therein by reference (collectively, the "Agreements"), between Cape
Systems Group, Inc. (formerly Vertex Interactive, Inc.) (the "Company") and each
of: (i) AJW Partners, LLC; (ii) AJW Offshore, Ltd.; (iii) AJW Qualified
Partners, LLC; and (iv) New Millennium Capital Partners II, LLC (collectively,
the "Purchasers") dated as of April 28, 2004 and amended December 30, 2004,
January 11, 2005 and August 10, 2005. The Purchasers hereby consent to waive any
and all defaults by the Company pursuant to the Agreements that occurred on or
before December 31, 2005. The Purchasers hereby waive the right to collect any
and all liquidated damages, penalties and/or fines (whether in shares of common
stock or in cash) arising from any default under the Agreements that occurred on
or before December 31, 2005.

                                                 CAPE SYSTEMS GROUP, INC.

                                                 /s/ NICHOLAS R. TOMS
                                                 --------------------
                                                 By:  Nicholas R. Toms
                                                 Title:  Chief Executive Officer

Accepted to and agreed this 17th day of March, 2006:

AJW PARTNERS, LLC
By:  SMS Group, LLC

By:  /s/ COREY S. RIBOTSKY
     ---------------------
     Corey S. Ribotsky
     Manager

<PAGE>

AJW OFFSHORE, LTD.
By:  First Street Manager II, LLC

By:  /s/ COREY S. RIBOTSKY
     ---------------------
     Corey S. Ribotsky
     Manager

AJW QUALIFIED PARTNERS, LLC
By:  AJW Manager, LLC

By:  /s/ COREY S. RIBOTSKY
     ---------------------
     Corey S. Ribotsky
     Manager

NEW MILLENNIUM CAPITAL PARTNERS II, LLC
By:  First Street Manager II, LLC

By:  /s/ COREY S. RIBOTSKY
     ---------------------
     Corey S. Ribotsky
     ManagerUnassociated Document

    Exhibit
      10.19

    

    STOCKHOLDER
      LOCK-UP AGREEMENT

     

    This
      Stockholder Lock-Up Agreement (the “Agreement”)
      is
      made effective as of the 31st
      day of
      March, 2006, by and among Trulite, Inc., a Delaware corporation (the
“Company”),
      and
      the holders of shares of the Company’s common stock (“Common
      Stock”)
      listed
      on Schedule “A” hereto
      (each, a “Stockholder”
and
      collectively, the “Stockholders”).

     

    R
      E C
      I T A L S

     

    WHEREAS,
      the Company and the Stockholders anticipate raising additional equity
      investments in the Company in the future; and

     

    WHEREAS,
      in order to induce future investors in the Company (“Investors”)
      to
      invest funds in the Company, the Stockholders and the Company hereby agree
      that
      this Agreement shall govern the rights of the Stockholders to enter into
      transactions with respect to the equity securities of the Company as set forth
      herein.

     

    NOW,
      THEREFORE, in consideration of the mutual promises and covenants set forth
      herein, the parties hereto further agree as follows:

     

    T
      E R
      M S

     

    1.       Lock-Up
      Agreement. 

    

    a.     Each
      Stockholder hereby agrees that it will not, without the prior written consent
      of
      the Company or the managing underwriter, if any, during the period commencing
      on
      the date of the final prospectus relating to a public offering of the Company’s
      equity securities and ending on the date specified by the Company or the
      managing underwriter, if any, (i) lend, offer, pledge, sell, contract to
      sell, sell any option or contract to purchase, purchase any option or contract
      to sell, grant any option, right or warrant to purchase, or otherwise transfer
      or dispose of, directly or indirectly, any shares of Common Stock or any
      securities convertible into or exercisable or exchangeable for Common Stock
      (whether such shares or any such securities are then owned by the Stockholder
      or
      are thereafter acquired), or (ii) enter into any swap or other arrangement
      that transfers to another, in whole or in part, any of the economic consequences
      of ownership of the Common Stock, whether any such transaction described in
      clause (i) or (ii) above is to be settled by delivery of Common Stock or
      other securities, in cash or otherwise. The underwriters, if any, in connection
      with any such offering of the Company’s equity securities and the Investors are
      intended third-party beneficiaries of this Section 1 and shall have the
      right, power and authority to enforce the provisions hereof as though they
      were
      a party hereto. Each Stockholder further agrees to execute such agreements
      as
      may be reasonably requested by the Company or such underwriters, if any, that
      are consistent with this Section 1 or that are necessary to give further effect
      thereto. 

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    

    b.     In
      order to enforce the foregoing covenant, the Company may impose stop-transfer
      instructions with respect to the Common Stock of each Stockholder (and the
      shares or securities of every other person subject to the foregoing restriction)
      until the end of such period.

    

    c.     Each
      Stockholder agrees that a legend reading substantially as follows shall be
      placed on all certificates representing all equity securities of each
      Stockholder:

     

    “THE
      SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A LOCK-UP PERIOD
      AFTER
      THE EFFECTIVE DATE OF THE ISSUER’S REGISTRATION STATEMENT FILED UNDER THE ACT,
      AS AMENDED, AS SET FORTH IN AN AGREEMENT BETWEEN THE COMPANY AND THE ORIGINAL
      HOLDER OF THESE SECURITIES, A COPY OF WHICH MAY BE OBTAINED AT THE ISSUER’S
      PRINCIPAL OFFICE. SUCH LOCK-UP PERIOD IS BINDING ON TRANSFEREES OF THESE
      SHARES.”

     

    2.       Miscellaneous.

    

    a.     Successors
      and Assigns. Except as otherwise provided herein, the terms and conditions
      of this Agreement shall inure to the benefit of and be binding upon the
      respective successors and assigns of the parties (including transferees of
      any
      shares of Common Stock). Nothing in this Agreement, express or implied, is
      intended to confer upon any party other than the parties hereto or their
      respective successors and assigns any rights, remedies, obligations or
      liabilities under or by reason of this Agreement, except as expressly provided
      in this Agreement.

    

    b.     Choice
      of Law, Venue and Forum. This Agreement, the entire relationship of the
      parties hereto, and any litigation between the parties (whether grounded in
      contract, tort, statute, law or equity) shall be governed by, construed in
      accordance with, and interpreted pursuant to the laws of the State of Texas,
      without giving effect to its choice of laws principles. Exclusive venue for
      any
      litigation between the parties hereto shall be in Harris County, Texas, and
      shall be brought in the State District Courts of Harris County, Texas, or in
      the
      United States District Court for the Southern District of Texas, Houston
      Division. The parties hereto waive any challenge to personal jurisdiction or
      venue (including without limitation a challenge based on inconvenience) in
      Harris County, Texas, and specifically consent to the jurisdiction of the State
      District Courts of Harris County and the United States District Court for the
      Southern District of Texas, Houston Division.

    

    c.     Counterparts.
      This Agreement may be executed in two or more counterparts, each of which shall
      be deemed an original, but all of which together shall constitute one and the
      same instrument.

    

    d.     Titles
      and Subtitles. The titles and subtitles used in this Agreement are used for
      convenience only and are not to be considered in construing or interpreting
      this
      Agreement.

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    

    e.     Notices.
      All notices and other communications given or made pursuant hereto shall be
      in
      writing and shall be deemed effectively given: (i) upon personal delivery
      to the party to be notified, (ii) when sent by confirmed electronic mail or
      facsimile if sent during normal business hours of the recipient; if not, then
      on
      the next business day, (iii) five (5) days after having been sent by
      registered or certified mail, return receipt requested, postage prepaid, or
      (iv) one (1) day after deposit with a nationally recognized overnight
      courier, specifying next day delivery, with written verification of receipt.
      All
      communications shall be sent to the respective parties at the addresses set
      forth in the record books of the Company (or at such other addresses as shall
      be
      specified by notice given in accordance with this
      Section 2(e)).

    

    f.      Entire
      Agreement; Amendments and Waivers. This Agreement (including the Exhibits
      hereto, if any) constitutes the full and entire understanding and agreement
      among the parties with regard to the subjects hereof and thereof. Any term
      of
      this Agreement may be amended and the observance of any term of this Agreement
      may be waived (either generally or in a particular instance and either
      retroactively or prospectively) only with the written consent of the Company
      and
      all of the Stockholders. 

    

    g.     Severability.
      If one or more provisions of this Agreement are held to be unenforceable under
      applicable law, such provision(s) shall be excluded from this Agreement and
      the
      balance of the Agreement shall be interpreted as if such provision(s) were
      so
      excluded and shall be enforceable in accordance with its terms.

    

    h.     Additional
      Stockholders. Notwithstanding anything to the contrary contained herein, no
      consent shall be necessary to add additional Stockholders as signatories to
      this
      Agreement.

    [Signature
      Page Follows]

     

    

     

    
      
        
          

        

        
        

      

      
        
        

        
          

        

      

      
        
        

        
        

      

    

    IN
      WITNESS WHEREOF, the parties have executed this Stockholder Lock-Up Agreement
      effective as of the date first above written.

    
      	 	 	 
	 	COMPANY:
	 	
              Trulite,
                Inc.

              
                (a
                  Delaware corporation)

              

            
	 
 	
              
 

               

               

              By: 

            	
              
                 

                

              

            
	 	
              
John
              Sifonis, President

    

     

    
      	 	Address:	
              Three
                Riverway 
                Suite
                  1700 
                  Houston,
                    Texas 77056-1948

                

              

            

    

     

     

    
      	 	 	 
	 	STOCKHOLDER:
	 
 	Contango
              Capital Partners, L.P. 
              (a Delaware limited partnership)

            
	 	 	 
	 	By:	
              CONTANGO
                CAPITAL PARTNERSHIP

              MANAGEMENT, L.P.

               (a
                Delaware limited liability company)

              Its
                General Partner

            
	 	 	 
	 	By:  	
               

              

               

            
	 	
              William
                J Berger, Manager

            

    

     

    
      
        	 	Address:	
                
                  Three
                    RiverwaySuite
                    1700

                  
                    Houston,
                      Texas
                      77056-1948

                  

                

              

      

    

     

    

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    
    

    SCHEDULE
      “A”

    

    HOLDERS
      OF COMMON STOCK OF COMPANY

    

    Contango
      Capital Partners, L.P

    James
      Kevin Shurtleff

    Eric
      J.
      Ladd

    Andrew
      Nielson

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