The amount of bank loan.

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Bearing interest.

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Carrying amount as of the balance sheet date of drafts and bills of exchange that have been accepted by the reporting bank, or by others for its own account, as its liability to holders of the drafts.

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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Describes transactions with related parties, including directors, officers and key employees, including: (1) the aggregate amount of related party loans if they exceed 5 percent of shareholders' equity at the balance sheet date or at any time during the latest fiscal year, (2) an analysis of activity with respect to such loans for the latest fiscal year (i.e., beginning balance, new loans, repayments, other changes and ending balance), (3) the aggregate amount of any significant nonaccrual of interest, past due amounts, or restructured or potential problem (including additional information necessary to understand the impact on the financial statements), and (4) any related party loans not made in the ordinary course of business.

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Loans (Details Textual)			1 Months Ended			3 Months Ended		12 Months Ended
Loans (Details Textual)	Oct. 14, 2019	Jun. 04, 2018	Jun. 28, 2020 USD ($)	Jun. 25, 2019	Jan. 31, 2019	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Jun. 10, 2021 USD ($)	May 10, 2021 USD ($)	Apr. 10, 2021 USD ($)	Mar. 10, 2021 USD ($)	Feb. 10, 2021 USD ($)	Jan. 10, 2021 USD ($)	Dec. 10, 2020 USD ($)	Jun. 10, 2020 USD ($)	Dec. 31, 2019 CNY (¥)	Dec. 30, 2019 USD ($)	Dec. 30, 2019 CNY (¥)	Nov. 12, 2019 USD ($)	Nov. 12, 2019 CNY (¥)	Oct. 31, 2019 USD ($)	Oct. 31, 2019 CNY (¥)	May 21, 2019 USD ($)	May 21, 2019 CNY (¥)	Mar. 07, 2019 USD ($)	Mar. 07, 2019 CNY (¥)	Aug. 31, 2018 USD ($)	Aug. 31, 2018 CNY (¥)	Aug. 22, 2018 USD ($)	Aug. 22, 2018 CNY (¥)	Sep. 30, 2015
Loans (Textual)
Bank acceptances bills						$ 3,883,077		$ 3,915,094
Equity method investment, ownership percentage																																50.00%
Unutilized committed banking facilities						6,800,000
Interest						$ 397,206	$ 381,275
Loans, description	The Company entered into a cancellation agreement with Mr. Shangdong Liu, Mr. Shibin Mao, Ms. Lijuan Wang and Mr. Ping Shen (the creditors). Pursuant to the terms of the cancellation agreement, Mr. Shangdong Liu, Mr. Shibin Mao, Ms. Lijuan Wang and Mr. Ping Shen agreed to cancel and convert the Fifth Debt (note 1) and the Unpaid Earnest Money in exchange for 528,053, 3,536,068, 2,267,798 and 2,267,798 shares of common stock of the Company, respectively, at an exchange price of $0.6 per share. Upon receipt of the shares, the creditors will release the Company from any claims, demands and other obligations relating to the Fifth Debt and the Unpaid Earnest Money.
Related party description				The Company entered into a loan agreement with Mr. Shulin Yu, an unrelated party, to loan RMB3.6 million (approximately $0.5 million) for a term of one year, bearing annual interest of 10% and the repayment was guaranteed by Mr. Yunfei Li (the Company's CEO) and Mr. Wenwu Wang (the Company's former CFO). As of March 31, 2020, the Company borrowed RMB3.6 million (approximately $0.5 million). On June 22, 2020, the Company and Mr. Shulin Yu entered into a supplemental agreement to extend the loan for one year to June 24, 2021.	The Company obtained one-year term facilities from Jilin Province Trust Co. Ltd. with a maximum amount of RMB40.0 million (approximately $5.7 million), which was secured by land use rights and buildings of Eodos Liga Energy Co., Ltd. Under the facilities, the Company borrowed a total of RMB39.6 million ($5.7 million) in 2019, bearing annual interest from 11.3% to 11.6%. The Company fully repaid the loan principal and accrued interest in March 2020.	The Company obtained additional one-year term facilities from Jilin Province Trust Co. Ltd with a maximum amount of RMB40.0 million (approximately $5.7 million), which was secured by land use rights and buildings of Eodos Liga Energy Co., Ltd. Under the facilities, the Company borrowed RMB24.2 million ($3.4 million) on March 13, 2020, bearing annual interest of 13.5%.
Investment agreements description								The Company returned partial earnest money of $943,015 (approximately RMB6.7 million) to these investors.
Remained outstanding value						$ 85,248
Subsequent Event [Member]
Loans (Textual)
Bank loan			$ 141,800,000
Suzhou Zhengyuanwei Needle Ce Co.Ltd [Member]
Loans (Textual)
Loans, description								The Company entered into a short term loan agreement with Suzhou Zhengyuanwei Needle Ce Co., Ltd, an unrelated party to loan RMB0.6 million (approximately $0.1 million), bearing annual interest rate of 12%. As of March 31, 2020, loan amount of RMB0.5 million ($70,622) remained outstanding.
RMB [Member] \| Subsequent Event [Member]
Loans (Textual)
Bank loan			20,030,000
China Everbright Bank Dalian Branch [Member]
Loans (Textual)
Line of credit facility, maximum borrowing capacity								$ 5,600,000										$ 5,600,000		$ 14,410,000		$ 4,000,000						$ 8,500,000		$ 14,410,000
Long-term Line of Credit																				$ 7,100,000		$ 4,000,000						$ 8,500,000
Bank acceptances bills																										$ 4,100,000
Bills receivable																										$ 4,100,000
Debt instrument discount rate																						3.30%	3.30%					4.00%	4.00%
Loans, description		The Company obtained banking facilities from China Everbright Bank Dalian Branch with a maximum amount of RMB200 million (approximately $28.3 million) with the term from June 12, 2018 to June 10, 2021, bearing interest at 130% of benchmark rate of the People's Bank of China ("PBOC") for three-year long-term loans, at current rate 6.175% per annum. The loans are repayable in six installments of RMB0.8 million ($0.11 million) on December 10, 2018, RMB24.3 million ($3.43 million) on June 10, 2019, RMB0.8 million ($0.11 million) on December 10, 2019, RMB74.7 million ($10.6 million) on June 10, 2020, RMB0.8 million ($0.11 million) on December 10, 2020 and RMB66.3 million ($9.4 million) on June 10, 2021. Under the facilities, the Company borrowed RMB141.8 million (approximately $20.03 million) as of March 31, 2020. The facilities were secured by the Company's land use rights, buildings, machinery and equipment. The Company repaid the bank loan of RMB0.8 million ($0.11 million), RMB24.3 million ($3.43 million) and RMB0.8 million ($0.11 million) on December 2018, June 2019 and December 2019 respectively.
Bearing interest								5.655%									5.655%
China Everbright Bank Dalian Branch [Member] \| Subsequent Event [Member]
Loans (Textual)
Long-term Line of Credit			1,090,000						$ 129,700,000	$ 2,000,000	$ 2,000,000	$ 2,000,000	$ 2,000,000	$ 2,000,000	$ 1,000,000	$ 1,090,000
China Everbright Bank Dalian Branch [Member] \| Mr. Yunfei Li [Member]
Loans (Textual)
Equity method investment, ownership percentage								15.00%									15.00%
China Everbright Bank Dalian Branch [Member] \| CBAK Power [Member]
Loans (Textual)
Equity method investment, ownership percentage								100.00%									100.00%			100.00%	100.00%
Debt instrument discount rate																				4.00%	4.00%
China Everbright Bank Dalian Branch [Member] \| RMB [Member]
Loans (Textual)
Line of credit facility, maximum borrowing capacity \| ¥																	¥ 39,900,000		¥ 39,900,000		¥ 100,000,000		¥ 28,000,000						¥ 60,000,000		¥ 100,000,000
Long-term Line of Credit \| ¥																					¥ 50,000,000		¥ 28,000,000
Bank acceptances bills \| ¥																											¥ 28,800,000
China Everbright Bank Dalian Branch [Member] \| RMB [Member] \| Subsequent Event [Member]
Loans (Textual)
Long-term Line of Credit			$ 150,000						$ 18,300,000	$ 280,000	$ 280,000	$ 280,000	$ 280,000	$ 280,000	$ 140,000	$ 150,000
Industrial Bank Co., Ltd. Dalian Branch [Member]
Loans (Textual)
Bank acceptances bills																								$ 200,000
Bills receivable																								$ 200,000
Industrial Bank Co., Ltd. Dalian Branch [Member] \| RMB [Member]
Loans (Textual)
Bank acceptances bills \| ¥																									¥ 1,500,000
Bills receivable \| ¥																									¥ 1,500,000