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Concentrations and Credit Risk (Details 2) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Supplier A [Member]        
Net purchase [1] $ 1,949,106 [1] $ 2,940,420
Concentration risk, percentage of net purchase [1] 22.67% [1] 20.43%
Supplier B [Member]        
Net purchase $ 4,329,602 [1] $ 4,329,602 [1]
Concentration risk, percentage of net purchase 72.65% [1] 36.47% [1]
Zhengzhou BAK New Energy Vehicle Co., Ltd [Member]        
Net purchase [2] [1] $ 3,838,213 [1] $ 3,838,213
Concentration risk, percentage of net purchase [2] [1] 44.64% [1] 26.67%
Shenzhen BAK [Member]        
Net purchase [3]     $ 3,841,680 [1]
Concentration risk, percentage of net purchase [3]     32.35% [1]
[1] Comprised less than 10% of net purchase for the respective period.
[2] Mr. Xiangqian Li, is a director of Zhengzhou BAK New Energy Vehicle Co., Ltd, which has 29% equity interests in Zhengzhou BAK New Energy Technology Co., Ltd
[3] Mr. Xiangqian Li is a director of BAK Shenzhen and Shenzhen BAK