Organization and basis of presentation

6 Months Ended

Jun. 30, 2013

Organization and basis of presentation [Abstract]

Organization and basis of presentation

1. Organization and basis of presentation

The consolidated financial statements include the financial statements of Highpower International, Inc. ("Highpower") and its subsidiaries, Hong Kong Highpower Technology Company Limited ("HKHTC"), Shenzhen Highpower Technology Company Limited ("SZ Highpower"), Highpower Energy Technology (Huizhou) Company Limited ("HZ Highpower"), Springpower Technology (Shenzhen) Company Limited ("SZ Springpower"), Ganzhou Highpower Technology Company Limited ("GZ Highpower"), Icon Energy System Company Limited ("ICON") and Huizhou Highpower Technology Limited ("HZ HTC"). Highpower and its subsidiaries are collectively referred to as the "Company".

Highpower was incorporated in the State of Delaware on January 3, 2006 to locate a suitable acquisition candidate. HKHTC was incorporated in Hong Kong on July 4, 2003 and organized principally to engage in the manufacturing and trading of nickel metal hydride rechargeable batteries. All other subsidiaries are incorporated in the People's Republic of China ("PRC").

On February 8, 2012, GZ Highpower, which was incorporated on September 21, 2010, increased its paid-in capital to RMB15,000,000 ($2,381,293). On May 15, 2013, GZ Highpower further increased its paid-in capital to RMB30,000,000 ($4,807,847). SZ Highpower holds 60% of the equity interest of GZ Highpower, and four founding management members of GZ Highpower hold the remaining 40%.

On March 8, 2012, the Company invested RMB5,000,000 ($791,377) in HZ HTC, which is a wholly-owned subsidiary of SZ Highpower.

On September 14, 2012, SZ Springpower increased its registered capital from $1,000,000 to $3,330,000. SZ Highpower paid the increased capital. As of June 30, 2013, SZ Highpower holds 69.97% of the equity interest of SZ Springpower, and HKHTC holds the remaining 30.03%.

The subsidiaries of the Company and their principal activities are described as follows:

Name of company	Place and date incorporation	Attributable equity interest held	Principal activities
Hong Kong Highpower Technology Co., Ltd ("HKHTC")	Hong Kong July 4, 2003	100%	Investment holding
Shenzhen Highpower Technology Co., Ltd ("SZ Highpower")	PRC October 8, 2002	100%	Manufacturing & marketing of batteries
Highpower Energy Technology (Huizhou) Co., Ltd ("HZ Highpower")	PRC January 29, 2008	100%	Inactive
Springpower Technology (Shenzhen) Co., Ltd ("SZ Springpower")	PRC June 4, 2008	100%	Research & manufacturing of batteries

Ganzhou Highpower Technology Co., Ltd ("GZ Highpower")	PRC September 21, 2010	60%	Processing, marketing and research of battery materials
Icon Energy System Co., Ltd. ("ICON")	PRC February 23, 2011	100%	Research and production of advanced battery packs and systems
Huizhou Highpower Technology Co., Ltd ("HZ HTC")	PRC March 8, 2012	100%	Manufacturing & marketing of batteries