[FORM 10 - Q (Mark One) [X ] For the quarterly period ended: June 30, 2011 [ ] For the transition period from ______________to _________________ CHINA BAK BATTERY, INC. Nevada 88-0442833 (State or other jurisdiction of incorporation (I.R.S. Employer Identification No.) or organization) BAK Industrial Park No. 1 BAK Street Kuichong Town, Longgang District Shenzhen 518119 People’s Republic of China] [CERTIFICATIONS I, Xiangqian Li, certify that: 1. I have reviewed this quarterly report on Form 10-Q of China BAK Battery, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements] [CERTIFICATIONS I, Ke Marcus Cui, certify that: 1. I have reviewed this quarterly report on Form 10-Q of China BAK Battery, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such] [2. Information contained in the Report fairly presents, in all material respects, the financial condition and results of operation of the Company.] [2. Information contained in the Report fairly presents, in all material respects, the financial condition and results of operation of the Company. (Principal Financial and Accounting Officer)] [Comprehensive Credit Facility Agreement of Maximum Amount (“Credit Facility Agreement”) Entered into by and between Shenzhen BAK Battery Co., Ltd (“the Company”) and Shenzhen Longgang Branch, Bank of China (the “Creditor”) Dated May 3, 2011 Main articles: Contract number: 2011 Zhenzhongyin Gang Exiezi 000212; Maximum amount of credit facilities to be provided: RMB 450 million; Term: from May 3, 2011] [Summary of Guaranty Contract of Maximum Amount ( the “Contract”) Entered into by and between BAK International Limited and Shenzhen Longgang Branch, Bank of China (the “Creditor”) on May 3, 2011 Main contents: Guaranty Contract number: 2011 Zhenzhongyin Gang Baoxiezi 000212-2; Bak International Limited undertakes to assume joint and several liabilities for Shenzhen BAK Battery Co., Ltd (the “Obligor”)’s indebtedness] [Summary of Guaranty Contract of Maximum Amount ( the “Contract”) Entered into by and between Xiangqian Li and Shenzhen Longgang Branch, Bank of China (the “Creditor”) Dated May 3, 2011 Main contents: Guaranty Contract number: 2011 Zhenzhongyin Gang Baoxiezi 000212-1; Xiangqian Li undertakes to assume joint and several liabilities for Shenzhen BAK Battery Co., Ltd (the “Obligor”)’s indebtedness towards Bank] [Comprehensive Credit Facility Agreement of Maximum Amount (“Credit Facility Agreement”) Entered into by and between Shenzhen BAK Battery Co., Ltd (“the Debtor”) and Shenzhen Branch, China Citic Bank (the “Creditor”) Dated May 6 th , 2011 Main articles: Contract number: (2011) Shenyinsun Zongzi 003; Maximum amount of credit facilities to be provided: RMB 105 million; th th Term: from May] [Summary of Loan Agreement Entered into by and between Shenzhen BAK Battery Co., Ltd. (“the Company”) and Shenzhen Branch, China CITIC Bank Co., Ltd (“the Creditor”) Dated June 3, 2011 Main contents Contract number: (2011) Shenyinsun daizi 011; Loan principal: RMB 40 million; Loan term: from June 3, 2011 to June 3, 2012; Floating interest rate: Interest rate of loan] [Summary of Guaranty Contract of Maximum Amount ( the “Contract”) Entered into by and between Xiangqian Li and Shenzhen Branch, China Citic Bank (the “Creditor”) Dated May 6, 2011 Main contents: Guaranty Contract number: (2011) Shenyinsun Ebaozi 001; Main Contract number: (2011) Shenyinsun Zongzi 003 Xiangqian Li undertakes to assume joint and several liabilities for Shenzhen BAK Battery Co., Ltd] [Summary of Guaranty Contract of Maximum Amount ( the “Contract”) Entered into by and between BAK International Limited and Shenzhen Branch, China Citic Bank (the “Creditor”) Dated May 6, 2011 Main contents: Guaranty Contract number: (2011) Shenyinsun Zuibaozi 004; BAK International Limited undertakes to assume joint and several liabilities for Shenzhen BAK Battery Co., Ltd (the “Obligor”)’s indebtedness towards China] [Summary of Loan Agreement Entered into by and between Shenzhen BAK Battery Co., Ltd. (“the Company”) and Shenzhen Eastern Branch, Agricultural Bank of China (“the Creditor”) Dated April 13, 2011 Main contents Contract number: 81010120110000280; Loan principal: RMB 60 million; Loan term: from April 13, 2011 to April 13, 2012; Floating interest rate: Interest rate of loan shall be equal] [Summary of Loan Agreement Entered into by and between Shenzhen BAK Battery Co., Ltd. (“the Company”) and Shenzhen Eastern Branch, Agricultural Bank of China (“the Creditor”) Dated April 14, 2011 Main contents Contract number: 81010120110000287; Loan principal: RMB 75 million; Loan term: from April 14, 2011 to April 14, 2012; Floating interest rate: Interest rate of loan shall be equal] [Summary of Loan Agreement Entered into by and between Shenzhen BAK Battery Co., Ltd. (“the Company”) and Shenzhen Eastern Branch, Agricultural Bank of China (“the Creditor”) Dated April 18, 2011 Main contents Contract number: 81010120110000295; Loan principal: RMB 90 million; Loan term: from April 18, 2011 to April 18, 2012; Floating interest rate: Interest rate of loan shall be equal] [Summary of Loan Agreement Entered into by and between Shenzhen BAK Battery Co., Ltd. (“the Company”) and Longgang Branch, Shenzhen Development Bank Co., Ltd (the “Creditor”) Dated June 13, 2011 Main contents: Contract number: Shenfa Longgang Daizi 20110607001; Main Contract: Comprehensive Credit Facility Agreement; Main Contract number: Shenfa Longgang Zongzi 20110120001; Loan principal: RMB 20 million; Loan term: from June] [Summary of Mortgage Contract of Maximum Amount ( the “Contract”) Entered into by and between Shenzhen BAK Battery, Co., Ltd (the “Mortgager”) and Longgang Branch, Shenzhen Development Bank Co., Ltd (the “Creditor”) Dated June 13, 2011 Main contents: Contract number In order to guarantee the indebtedness of Shenzhen BAK Battery Co., Ltd. (the “Obligor”) towards the Creditor under the Comprehensive] [China Development Bank Loan Certificate Contract No.:4403236012009020660 Applicant Shenzhen BAK Battery Co., Ltd Currency RMB Amount 45,605,800.60 Loan Term From June 13, 2011 to February 9, 2016 Usage Constructing BAK Battery R&D Centre Annual rate 7.14% Loan Account of China Development Bank 1044300028 Deposit Account of Applicant in China Development Bank 44301560040217970000 Stamp of Applicant Stamp of China Development Bank] [Supplemental Agreement Entered into by and between Shenzhen BAK Battery Co., Ltd. (“the Borrower”) and Shenzhen Branch, China Development Bank Co., Ltd (“the Lender”) dated June 13, 2011 Whereas, the Borrower and the Lender have entered into a loan agreement (contract number: 4403236012009020660) (hereinafter called “Prime Loan Agreement”). Hereby, the parties agree to enter into the following Supplemental Agreements (contract]