Exhibit 10.4

                                                                         Summary
                                                                         -------



Summary of Loan  Agreement by and between  Shenzhen  BAK Battery  Co.,  Ltd. and
Longgang Branch, Agricultural Bank of China dated March 21, 2005.

Main contents:
>>   Contract No. (Shenzhen Longgang) Nong Yin Jie Zi (81101200500000299)
>>   Loan Amount (RMB) 20million yuan
>>   Contract Term: 21th March 2005 - 21th September 2005
>>   Interest rate: 5.22%
>>   Repayment:  principal  and  interest  are  payable  six months from date of
     agreement
>>   Purpose: Working capital
>>   Liabilities of Breach of Contract:  Breach of contract penalty;  withdrawal
     of loan,  prepayment of principal and interest before maturity,  attachment
     of assets; imposition of compound interest; lawyer's fee and travel cost in
     case of litigation due to the Company 's breach of contract etc.

Terms that have been omitted:  types of the loan; clearing of the loan interest;
condition  precedent to the drawing of the loan;  rights and  obligations of the
borrower;  rights  and  obligations  of the  lender;  prepayment  of  the  loan;
guarantee  of  the  loan;  dispute  settlement;  miscellaneous;   effectiveness;
validity; and attention.