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Loans (Narrative) (Details) ¥ in Thousands															1 Months Ended		3 Months Ended		9 Months Ended
	Jun. 10, 2021 USD ($)	Jun. 10, 2021 CNY (¥)	Dec. 10, 2020 USD ($)	Dec. 10, 2020 CNY (¥)	Jun. 10, 2020 USD ($)	Jun. 10, 2020 CNY (¥)	Dec. 10, 2019 USD ($)	Dec. 10, 2019 CNY (¥)	Jun. 10, 2019 USD ($)	Jun. 10, 2019 CNY (¥)	Dec. 10, 2018 USD ($)	Dec. 10, 2018 CNY (¥)	Jun. 12, 2018 USD ($)	Jun. 12, 2018 CNY (¥)	Nov. 30, 2018 USD ($)	Nov. 30, 2018 CNY (¥)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Nov. 30, 2018 CNY (¥)	Sep. 30, 2018 CNY (¥)	Aug. 31, 2018 USD ($)	Aug. 31, 2018 CNY (¥)	Aug. 22, 2018 USD ($)	Aug. 22, 2018 CNY (¥)	Jun. 04, 2018 USD ($)	Jun. 04, 2018 CNY (¥)	Dec. 31, 2017 USD ($)	Nov. 09, 2017 USD ($)	Nov. 09, 2017 CNY (¥)	Aug. 02, 2017 USD ($)	Aug. 02, 2017 CNY (¥)	Jul. 06, 2016 USD ($)	Jul. 06, 2016 CNY (¥)	Jun. 14, 2016 USD ($)	Jun. 14, 2016 CNY (¥)
Bank Acceptances Executed and Outstanding																	$ 33,427,220		$ 33,427,220										$ 34,025,080
Pledged deposits																	17,668,797		17,668,797										7,808,329
Collateral Amount																	57,863,871		57,863,871										55,667,476
Line of Credit Facility, Remaining Borrowing Capacity																	16,800,000		16,800,000
Interest Expense, Debt																	537,033	$ 346,962	1,633,731	$ 1,050,474
Bills receivable [Member]
Collateral Amount																	9,427,448		9,427,448										$ 19,047,471
Bank of Dandong [Member]
Line of Credit Facility, Maximum Borrowing Capacity																																				$ 18,900,000	¥ 130,000
Long-term Line of Credit																																				$ 18,500,000	¥ 126,800
Line of Credit Facility, Interest Rate at Period End																																				7.20%	7.20%
Bank Acceptances Executed																	700,000		700,000			¥ 5,000														$ 500,000	¥ 3,200
Bank Acceptances Executed and Outstanding																	700,000		700,000			5,000
Pledged deposits																	700,000		700,000
Bank of Dalian [Member]
Line of Credit Facility, Maximum Borrowing Capacity																																		$ 1,500,000	¥ 10,000
Long-term Line of Credit																																		$ 1,500,000	¥ 10,000
Line of Credit Facility, Interest Rate at Period End																																		6.525%	6.525%
Bank Acceptances Executed																																		$ 5,800,000	¥ 40,000
China Everbright Bank Dalian Branch [Member]
Line of Credit Facility, Maximum Borrowing Capacity																							$ 8,800,000	¥ 60,000			$ 29,100,000	¥ 200,000		$ 14,600,000	¥ 100,000
Long-term Line of Credit																	14,500,000		14,500,000			99,600
Line of Credit Facility, Interest Rate at Period End																											6.175%	6.175%		4.505%	4.505%
Bank Acceptances Executed and Outstanding																									$ 3,800,000	¥ 26,300
Pledged deposits															$ 7,300,000		7,300,000		7,300,000		¥ 50,000
Collateral Amount																									4,400,000
Proceeds from Lines of Credit													$ 23,100,000	¥ 158,300	$ 14,600,000	¥ 100,000
Repayments of Lines of Credit	$ 5,430,000	¥ 37,300	$ 150,000	¥ 1,000	$ 12,960,000	¥ 89,000	$ 150,000	¥ 1,000	$ 4,220,000	¥ 29,000	$ 150,000	¥ 1,000
Debt instrument discount rate															4.00%						4.00%
China Everbright Bank Dalian Branch [Member] | CBAK Power [Member]
Equity Method Investment, Ownership Percentage															100.00%						100.00%									100.00%	100.00%
China Merchants Bank [Member]
Line of Credit Facility, Maximum Borrowing Capacity																									$ 14,600,000	¥ 100,000						$ 14,600,000	¥ 100,000
Bank Acceptances Executed and Outstanding																	3,100,000		3,100,000			¥ 21,300
Pledged deposits																	$ 300,000		$ 300,000				$ 8,800,000
Debt instrument discount rate																	4.00%		4.00%			4.00%
China Merchants Bank [Member] | Bills receivable [Member]
Collateral Amount																	$ 3,070,000		$ 3,070,000
Industrial Bank Co., Ltd. Dalian Branch [Member]
Bank Acceptances Executed and Outstanding																	2,800,000		2,800,000			¥ 19,500
Pledged deposits																	900,000		900,000
Industrial Bank Co., Ltd. Dalian Branch [Member] | Bills receivable [Member]
Collateral Amount																	$ 1,900,000		$ 1,900,000

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The amount of the financial institution's obligation to pay the holder of the customer's draft which the financial institution has guaranteed (i.e., Banker's Acceptance).

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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 assets pledged to secure a debt instrument.

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Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits.

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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 for debt.

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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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The effective interest rate at the end of the reporting period.

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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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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