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Loans (Details Textual)							1 Months Ended		3 Months Ended		6 Months Ended
Loans (Details Textual)	Jul. 26, 2019	Jul. 16, 2019	Jun. 25, 2019	Apr. 26, 2019 USD ($)	Jan. 07, 2019 USD ($)	Jun. 04, 2018	Jan. 31, 2019	Nov. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 CNY (¥)	Jun. 30, 2018 USD ($)	Jun. 28, 2019 USD ($)	Jun. 28, 2019 CNY (¥)	Apr. 26, 2019 CNY (¥)	Jan. 07, 2019 CNY (¥)	Dec. 31, 2018 USD ($)	Nov. 09, 2018 USD ($)	Nov. 09, 2018 CNY (¥)	Oct. 25, 2018 USD ($)	Oct. 25, 2018 CNY (¥)	Oct. 17, 2018 USD ($)	Oct. 17, 2018 CNY (¥)	Aug. 31, 2018 USD ($)	Aug. 22, 2018 USD ($)	Nov. 09, 2017 USD ($)	Nov. 09, 2017 CNY (¥)	Aug. 02, 2017 USD ($)	Jun. 14, 2016 USD ($)	Jun. 14, 2016 CNY (¥)	Jun. 30, 2015
Bank acceptances bills									$ 22,824,075		$ 22,824,075							$ 28,911,556
Equity Method Investment, Ownership Percentage																																50.00%
Interest									369,250	$ 566,242	750,525		$ 1,096,698
Collateral Amount									49,574,727		49,574,727							57,521,579
Unutilized committed banking facilities									19,300,000	$ 19,300,000	$ 19,300,000		$ 19,300,000
Related party description											As of June 30, 2019, the Company borrowed RMB3.0 million (approximately $0.4 million).	As of June 30, 2019, the Company borrowed RMB3.0 million (approximately $0.4 million).
Bank deposits									$ 94,927		$ 94,927							56,974
Mr. Dawei Li and Mr. Yunfei Li [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 1,700,000
Long-term Line of Credit					$ 5,200,000
Loans, description					The Company entered into a cancellation agreement (note 1) with Mr. Dawei Li and Mr. Yunfei Li (the creditors). Pursuant to the terms of the cancellation agreement, Mr. Dawei Li and Mr. Yunfei Li agreed to cancel the First Debt in exchange for 3,431,373 and 1,666,667 shares of common stock of the Company, respectively, at an exchange price of $1.02 per share.
Mr. Shulin Yu [Member]
Loans, description			The Company entered into a loan agreement with Mr. Shulin Yu, an unrelated party, to loan RMB3.million (approximately$0.4 million) for a term of one year, bearing annual interest of 10% which was guaranteed by Mr. Yunfei Li (the Company's CEO) and Mr. Wenwu Wang (the Company's CFO).
Jilin Province Trust Co. Ltd [Member]
Loans, description							In January 2019, the Company obtained one-year term facilities from Jilin Province Trust Co. Ltd. with a maximum amount of RMB40.0 million (approximately $5.8 million), which was secured by land use rights and buildings of Eodos Liga Energy Co., Ltd. Under the facilities, the Company borrowed RMB16.4 million ($2.4 million), RMB15.4 million ($2.2 million), RMB6.6 million ($1.0 million) and RMB1.2 million ($0.2 million) on February 1, 2019, February 22, 2019, March 8, 2019 and March 21, 2019 respectively, bearing annual interest from 11.3% to 11.6%.
CBAK Power [Member] \| Subsequent Event [Member]
Loans, description		Each of Asia EVK and Mr. Yunfei Li (the Company's CEO) entered into an agreement with CBAK Power andDalian Zhenghong Architectural Decoration and Installation Engineering Co. Ltd. (the Company's construction contractor) wherebyDalian Zhenghong Architectural Decoration and Installation Engineering Co. Ltd.assigned its rights to construction cost to CBAK Power of approximately $2.9 million (RMB20,000,000) and $0.4 million (RMB2,813,810) (collectively $3.3 million, the "Forth Debt") to Asia EVK and Mr. Yunfei Li, respectively.
CBAK Power [Member] \| Mr. Dawei Li and Mr. Yunfei Li [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 3,500,000
CBAK Power [Member] \| Mr. Jun Lang [Member]
Line of Credit Facility, Maximum Borrowing Capacity				$ 300,000
CBAK Power [Member] \| Ms. Jing Shi [Member]
Line of Credit Facility, Maximum Borrowing Capacity				100,000
CBAK Power [Member] \| Asia EVK [Member]
Line of Credit Facility, Maximum Borrowing Capacity				5,200,000
Long-term Line of Credit				$ 5,700,000
Loans, description				The Company entered into a cancellation agreement (note 1) with Mr. Jun Lang, Ms. Jing Shi and Asia EVK (the creditors). Pursuant to the terms of the cancellation agreement, the creditors agreed to cancel the Second Debt in exchange for 300,534, 123,208 and 4,782,163 shares of common stock of the Company, respectively, at an exchange price of $1.1 per share.
CBAK Power [Member] \| Mr. Dawei Li [Member]
Line of Credit Facility, Maximum Borrowing Capacity														$ 1,500,000
CBAK Power [Member] \| Mr. Yunfei Li [Member]
Line of Credit Facility, Maximum Borrowing Capacity														2,600,000
Long-term Line of Credit														$ 4,100,000
CBAK Power [Member] \| Mr. Yunfei Li [Member] \| Subsequent Event [Member]
Loans, description	The Company entered into a cancellation agreement (note 1) with Mr. Dawei Li, Mr. Yunfei Li and Asia EVK (the creditors). Pursuant to the terms of the cancellation agreement, Mr. Dawei Li, Mr. Yunfei Li and Asia EVK agreed to cancel the Third Debt and Forth Debt in exchange for 1,384,717, 2,938,067 and 2,769,435 shares of common stock of the Company, respectively, at an exchange price of $1.05 per share.
RMB [Member] \| Mr. Dawei Li and Mr. Yunfei Li [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥																	¥ 11,647,890
RMB [Member] \| CBAK Power [Member] \| Mr. Dawei Li and Mr. Yunfei Li [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥																	¥ 23,980,950
RMB [Member] \| CBAK Power [Member] \| Mr. Jun Lang [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥																¥ 2,225,082
RMB [Member] \| CBAK Power [Member] \| Ms. Jing Shi [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥																912,204
RMB [Member] \| CBAK Power [Member] \| Asia EVK [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥																¥ 35,406,036
RMB [Member] \| CBAK Power [Member] \| Mr. Dawei Li [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥															¥ 10,000,000
RMB [Member] \| CBAK Power [Member] \| Mr. Yunfei Li [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥															¥ 18,000,000
China Everbright Bank Dalian Branch [Member]
Line of Credit Facility, Maximum Borrowing Capacity								$ 14,600,000											$ 14,000,000						$ 8,700,000	$ 14,600,000	$ 14,600,000
Long-term Line of Credit																									$ 8,700,000
Bank acceptances bills																		$ 4,200,000								4,200,000
Borrowings From Company											$ 200,000
Debt instrument discount rate																									4.00%
Loans, description						The Company obtained banking facilities from China Everbright Bank Dalian Branch with a maximum amount of RMB200 million (approximately $29.1 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 ($0.12 million) on December 10, 2018, RMB24.3 million ($3.54 million) on June 10, 2019, RMB0.8 million ($0.12 million) on December 10, 2019, RMB74.7 million ($10.88 million) on June 10, 2020, RMB0.8 million ($0.12 million) on December 10, 2020 and RMB66.3 million ($9.66 million) on June 10, 2021. The Company repaid the bank loan of RMB0.8 million ($0.12 million) in December 2018 and RMB24.3 million ($3.5 million) in June 2019. Under the facilities, the Company borrowed RMB142.6 million (approximately $20.8 million) as of June 30, 2019.					The Company also borrowed a series of acceptance bills from Industrial Bank Co., Ltd. Dalian Branch totaled RMB1.5 million (approximately $0.2 million) for various terms through May 21, 2019, which was secured by bills receivable of RMB1.5 million (approximately $0.2 million).The Company repaid the bank acceptance bills on May 21, 2019.	The Company also borrowed a series of acceptance bills from Industrial Bank Co., Ltd. Dalian Branch totaled RMB1.5 million (approximately $0.2 million) for various terms through May 21, 2019, which was secured by bills receivable of RMB1.5 million (approximately $0.2 million).The Company repaid the bank acceptance bills on May 21, 2019.
China Everbright Bank Dalian Branch [Member] \| CBAK Power [Member]
Equity Method Investment, Ownership Percentage																			100.00%	100.00%
China Everbright Bank Dalian Branch [Member] \| RMB [Member]
Line of Credit Facility, Maximum Borrowing Capacity																				¥ 96,100,000					$ 60,000,000	100,000,000		¥ 100,000,000
Bank acceptances bills																										$ 28,800,000
Borrowings From Company \| ¥												¥ 1,500,000
Loans, description								The Company borrowed a total of RMB100 million (approximately $14.6 million) in the form of bills payable from China Everbright Bank Dalian Branch for a term until November 12, 2019, which was secured by the Company's cash totaled RMB 50 million (approximately $7.3 million) and the 100% equity in CBAK Power held by BAK Asia.
China Everbright Bank Dalian Branch [Member] \| RMB [Member] \| CBAK Power [Member]
Equity Method Investment, Ownership Percentage								100.00%
Bank of Dandong [Member]
Line of Credit Facility, Maximum Borrowing Capacity																														$ 18,900,000
Long-term Line of Credit																														$ 18,500,000
Line of credit facility, interest rate at period end																														7.20%	7.20%
Bank acceptances bills																							$ 700,000							$ 500,000
Pledged deposits																							$ 800,000
Bank of Dandong [Member] \| RMB [Member]
Bank acceptances bills \| ¥																								¥ 5,000,000
Bank of Dandong [Member] \| RMB [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥																															¥ 130,000,000
Long-term Line of Credit \| ¥																															¥ 126,800,000
Line of credit facility, interest rate at period end																														7.20%	7.20%
Bank acceptances bills \| ¥																															¥ 3,200,000
China Merchants Bank [Member]
Line of Credit Facility, Maximum Borrowing Capacity																					$ 3,100,000								$ 14,600,000
Pledged deposits																													5,900,000
Bank deposits																													2,400,000
China Merchants Bank [Member] \| RMB [Member]
Line of Credit Facility, Maximum Borrowing Capacity																						¥ 21,300,000							$ 100,000,000