[x ¨ x ¨ ¨ Large accelerated filer ¨ Accelerated filer ¨ Non-accelerated filer x Smaller reporting company ¨ x HIGHPOWER INTERNATIONAL, INC. FORM 10-Q For the Quarterly Period Ended June 30, 2011 INDEX Page Part I Financial Information Item 1. Financial Statements (a) Balance Sheets as of June 30, 2011 (Unaudited) and December 31, 2010 1 (b) Statements of] [Comprehensive line of credit contract Contract No: shenfaxinzhou20110505001 Party A: SHENZHEN DEVELOPMENT BANK CO., LTD. Shenzhen Xinzhou Sub-branch Add: Zhongchengtianyi Building, Xinzhou Road, Futian District, Shenzhen, Guangdong, China Tel: 23480048 Fax: 23480054 Head: Nannan Fu Position: President Party B: SHENZHEN HIGHPOWER TECHNOLOGY CO., LTD. Add: Building A2, Luoshan Industrial Zone, Shanxia, Pinghu, Shenzhen, Guangdong, China Tel: 89686236 Fax: 89686819 Legal] [Comprehensive line of credit contract Party A: SHENZHEN HIGHPOWER TECHNOLOGY CO., LTD. Add: Building A2, Luoshan Industrial Zone, Shanxia, Pinghu, Shenzhen, Guangdong, China Legal Representative: Dangyu Pan Tel: 89686236 Fax: 89686819 Party B: China Everbright Bank Shenzhen Longhua Sub-branch Add: 1st F, Building 3-4, Yinquan garden, People south road, Longhua, Baoan Tel: 1483350 Fax: 28138641 Commercial Bank Law of the] [No: SZ HIGHPOWER 10097107/SL/ML Shenzhen Highpower Technology Co., Ltd. Dear Sirs, Non-commitment financing This confirmation letter is revised and detailed to the banking financing terms and conditions of January 21, 2011, and replace the terms and conditions. Prior to each bank to provide loans to all non-commitment of funding in accordance with the following terms and conditions of this letter] [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 August 12, 2011 Henry Sun Chief Financial Officer (Principal Financial and Accounting Officer) August 12, 2011]

[HIGHPOWER INTERNATIONAL, INC. FORM 10-Q For the Quarterly Period Ended March 31, 2011 INDEX Page Part I Financial Information Item 1. Financial Statements (a) Balance Sheets as of March 31, 2011 (Unaudited) and December 31, 2010 1 (b) Statements of Operations for the Three Months Ended March 31, 2011 and 2010 (Unaudited) 3] [Subsidiary Name Country Hong Kong Highpower Technology Company Limited (“HKHT”) Hong Kong Icon Energy System Co. Ltd. (1) 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] [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 13, 2011 Henry Sun Chief Financial Officer (Principal Financial and Accounting Officer) May 13, 2011 EX-32.1 5 v222704_ex32-1.htm]