Exhibit 10.50
                                                                         Summary

Summary of Loan  Agreement by and between  Shenzhen BAK Battery Co.,  Ltd.  (the
"Company") and Longgang Branch,  Shenzhen  Development Bank ("Development Bank")
dated November 1, 2005.

Main contents:
>>    Contract number: Shenfa Longgang Dai Zi NO.20051101001.
>>    The loan  agreement is under  Comprehensive  Credit  Facilities  Agreement
      entered between the Company and Development  Bank (Shenfa  Longgang zongzi
      NO.20050407001).
>>    Loan Principal: RMB 10 million;
>>    Loan term: from the date loan is actually provided to the Company to April
      30,2006.
>>    Interest rate: fixed rate of 6.138%;
            |X|   Penalty interest rate for delayed  repayment:  6.138% plus 50%
                  *6.138%;
            |X|   Penalty  interest  rate  for  embezzlement  of loan  proceeds:
                  6.138% * 2;
>>    Purpose of the loan is to provide working capital for the Company;
>>    Advanced  repayment of loan needs to be approved by  Development  Bank and
      Development  Bank is  entitled to charge a month's  interest  based on the
      prepaid loan principal as penalty;
>>    If any of the following occurs,  Development Bank is entitled to terminate
      Loan  Agreement  1 before its term and  withdraw  all loans  provided  and
      cancel all loans not yet provided under Loan Agreement 1:
            |X|   ---  The  Company  terminates  operation  or is  stopped  from
                  operation;
            |X|   --- The Company  provides  untrue  documents or hide important
                  financial information about its operation;
            |X|   --- The  Company  intentionally  evades  bank  debts by way of
                  related party transaction or other means;
            |X|   --- The Company uses loan  proceeds  for  purposes  other than
                  what is agreed without the consent of Development Bank;
            |X|   ---  Occurrence  of other  instances  which  endangers  or may
                  endanger the safety of the loan provided by  Development  Bank
                  under Loan Agreement 1;
>>    Breach  of  contract  penalties:  suspension  of loan  unprovided,  demand
      prepayment of loan principal and interest before  maturity;  imposition of
      punitive  interest;  compensation for Development Bank's expenses incurred
      due to the Company's  breach of contract such as lawyer's fee, travel cost
      in case of litigation, etc.


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>>    Special term:
            |X|   If the Company belongs to the group client category, it should
                  report to Development  Bank in writing within 10 days from the
                  occurrence of any related  party  transaction  involving  more
                  than 10% of the Company's net asset.

Headlines of the articles omitted:
>>    Loan arrangement >> Drawing of the loan
>>    Clearing of the loan interest
>>    Interest penalty of loan
>>    Acceleration of the loan
>>    Rights and  obligation  of the borrower >> Rights and  obligations  of the
      lender
 >>   Expenses and service charges >> Settlement Account
>>    Amendment and termination of the loan agreement
>>    Miscellaneous
>>    Undertakings and Representations of the borrower
>>    Applicable law and dispute settlement
>>    Effectiveness
>>    Validity
>>    Attention