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Organization and basis of presentation (Narrative) (Details)
Jun. 30, 2013
USD ($)
Dec. 31, 2012
USD ($)
Jun. 30, 2013
Ganzhou Highpower Technology Co., Ltd ("GZ Highpower") [Member]
USD ($)
Jun. 30, 2013
Ganzhou Highpower Technology Co., Ltd ("GZ Highpower") [Member]
CNY
May 15, 2013
Ganzhou Highpower Technology Co., Ltd ("GZ Highpower") [Member]
USD ($)
May 15, 2013
Ganzhou Highpower Technology Co., Ltd ("GZ Highpower") [Member]
CNY
Jun. 30, 2013
Huizhou Highpower Technology Co., Ltd ("HZ HTC") [Member]
Mar. 08, 2012
Huizhou Highpower Technology Co., Ltd ("HZ HTC") [Member]
USD ($)
Mar. 08, 2012
Huizhou Highpower Technology Co., Ltd ("HZ HTC") [Member]
CNY
Jun. 30, 2013
Springpower Technology (Shenzhen) Co., Ltd ("SZ Springpower") [Member]
USD ($)
Dec. 31, 2011
Springpower Technology (Shenzhen) Co., Ltd ("SZ Springpower") [Member]
USD ($)
Jun. 30, 2013
Springpower Technology (Shenzhen) Co., Ltd ("SZ Springpower") [Member]
Highpower International, Inc [Member]
Subsidiary or Equity Method Investee [Line Items]                        
Registered capital                   $ 3,330,000 $ 1,000,000  
Attributable equity interest held     60.00% 60.00%     100.00%     100.00%   69.97%
Equity interest held by partner     40.00% 40.00%           30.03%    
Additional paid-in capital 5,547,463 6,035,230 2,381,293 15,000,000 4,807,847 30,000,000            
Investment in wholly owned subsidiary               $ 791,377 5,000,000