[] [I, Dang Yu Pan, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Highpower International, 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 were] [I, Henry Sun, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Highpower International, 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 were made,] [(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Dang Yu Pan Chairman of the Board and Chief Executive Officer August 16, 2012 Henry Sun Chief Financial Officer (Principal Financial and Accounting Officer) August 16, 2012] [Comprehensive credit contract Fiduciary: SHENZHEN HIGHPOWER TECHNOLOGY CO., LTD. (hereinafter referred to Party A) Credit: Zhuhai China Resources Bank Co., Ltd., SHENZHEN BRANCH (sub, sub-branches) (hereinafter referred to Party B) Applying by Party A, Party B agrees to provide the Party A the line of credit. In accordance with the provisions of relevant laws, after full consultation, Party A and] [Loans Operations Centre Tel: (852) 3518 5888 Fax: (852) 2868 0726 Email: loansopctr@winglungbank.com www.winglungbank.com IMPORTANT NOTICE: THIS LETTER SETS OUT THE TERMS AND CONDITIONS UPON WHICH OUR BANK WOULD PROVIDE BANKING FACILITIES TO YOU. YOU ARE ADVISED TO READ AND UNDERSTAND SUCH TERMS AND CONDITIONS BEFORE ACCEPTING THIS LETTER, OR IF YOU CONSIDER NECESSARY, SEEK INDEPENDENT LEGAL ADVICE. Our Ref:]

[] [Our Ref: 011L122256-RL Hong Kong Highpower Technology Company Limited Unit 12 15/F Technology Park 18 On Lai Street Shek Mun Shatin Dear Sir(s) Re: Term Loan I for USD2,600,000.00 and Term Loan II for HKD20,000,000.00 Facility Letter dated, 29 August 2011 (the “Facility Letter”) We refer to the Facility Letter and are pleased to advise that the captioned facilities will] [Agreement on Line of Credit No.: 2012 Zhen Zhong Yin Bu E Xie Zi No. 000127 Shenzhen Highpower Technology Co., Ltd. Party A: 440307503274740 Business License No.: Dangyu Pan Legal representative/principal: Building A2, Luoshan Industrial Park, Pinghu Town, Longgang District, Shenzhen Domicile: 518111 Zip Code: Bank of China, Pinghu Sub-branch Bank & account No.: 89686236 89686298 Tel.: Bank of China] [Bank Loan Contract for Fixed Assets No.: 2012 Zhen Zhong Yin Bu Jie Zi No. 00002 Shenzhen Highpower Technology Co., Ltd. Borrower: 440307503274740 Business License No.: Dangyu Pan Legal representative/principal: Building A2, Luoshan Industrial Park, Pinghu Town, Longgang District, Shenzhen Domicile: 518111 Zip Code: Bank of China, Pinghu Sub-branch Bank & account No.: 89686236 89686298 Tel.: Bank of China Limited,] [Guaranty Contract of Maximum Amount No.:0002 Account Guarantee Agreement Issued in 2012 by Bank of China (Shenzhen Buji Sub-branch) Hong Kong Highpower Technology Co., Ltd Guarantor: 440306503295562 No of business license/ID No: Dangyu Pan Legal Representative/Person in Charge: Domicile: Unit 12, 15/F, Technology Park, 18 On Lai Street, Shek Mun, Shatin, N.T. Hong Kong . 518000 Zip Code: Related Bank] [Land Use Right Agreement Ganzhou Land and Resource Bureau Party A : No. 110, Zhangjiang North Avenue, Ganzhou City Address: 341000 Zip Code: 0797-8155059 Tel: 0797-8155000 Fax: Ganzhou Highpower Technology Company Limited Party B: B3-4, Lianchuang City Garden, Zhangjiang North Revenue, Zhanggong District, Ganzhou City Address: 341000 Zip Code: 137677224415 Tel: Ø FIFTY EIGHT THOUSAND SIX HUNDRED AND SIXTY EIGHT] [Subsidiary Name Country Hong Kong Highpower Technology Company Limited (“HKHT”) Hong Kong Icon Energy System Co. Ltd. People’s Republic of China Shenzhen Highpower Technology Co., Ltd. (“Shenzhen Highpower”) (1) People’s Republic of China HZ Highpower Technology Co., Ltd. (1) People’s Republic of China Springpower Technology (Shenzhen) Co., Ltd. (formerly known as Sure Power Technology (Shenzhen) Co., Ltd.) (1) People’s Republic] [Section 302 of the Sarbanes-Oxley Act of 2002 I, Dang Yu Pan, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Highpower International, 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] [Section 302 of the Sarbanes-Oxley Act of 2002 I, Henry Sun, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Highpower International, 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] [(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Dang Yu Pan Chairman of the Board and Chief Executive Officer May 12, 2012 Henry Sun Chief Financial Officer (Principal Financial and Accounting Officer) May 12, 2012]