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Concentrations and Credit Risk (Details Textual)	12 Months Ended
	Dec. 31, 2020 USD ($)
Zhengzhou BAK New Energy Vehicle Co., Ltd [Member]
Concentrations and Credit Risk (Textual)
Concentrations and credit risk, description	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. As of December 31, 2019 and 2020, receivable from Zhengzhou BAK New Energy Technology Co., Ltd were nil and $1,759,050, respectively, was included in trade accounts and bills receivable, net, Up to the date of this report, Zhengzhou BAK New Energy Technology Co., Ltd repaid $741,353 to the Company.
Zhengzhou BAK Battery Co., Ltd [Member]
Concentrations and Credit Risk (Textual)
Repayments of debt	$ 7,691,611

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Description of the sources of credit risk exposure faced by the entity.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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