Principal Activities, Basis of Presentation and Organization (Details)													1 Months Ended											3 Months Ended	6 Months Ended	9 Months Ended
		Jul. 26, 2019 USD ($) $ / shares	Jul. 24, 2019 USD ($)	Jul. 08, 2018 USD ($)	May 10, 2017 USD ($)	Apr. 02, 2017 USD ($)	Jul. 28, 2016 USD ($) $ / shares shares	Mar. 04, 2016 $ / shares shares	Sep. 29, 2015 USD ($) $ / shares	Jul. 31, 2015 USD ($)	Sep. 30, 2007 USD ($)	Sep. 30, 2006 shares	Jul. 26, 2019 USD ($) Creditors $ / shares shares	Apr. 26, 2019 USD ($) Creditors $ / shares shares	Jan. 07, 2019 USD ($) Creditors $ / shares shares	May 31, 2017 USD ($) $ / shares shares	Apr. 26, 2017 USD ($)	Apr. 21, 2017 USD ($)	Jan. 31, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($) shares	Nov. 30, 2007 shares	Jan. 20, 2005 USD ($) shares	Mar. 31, 2019 USD ($)	Jun. 30, 2018 USD ($) shares	Sep. 30, 2009 shares	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)	Aug. 05, 2019 USD ($)	Jul. 16, 2019 USD ($)	Jul. 16, 2019 CNY (¥)	Jun. 30, 2019 USD ($) shares	Jun. 28, 2019 USD ($)	Jun. 28, 2019 CNY (¥)	Apr. 26, 2019 CNY (¥)	Jan. 07, 2019 CNY (¥)	Dec. 31, 2018 USD ($) $ / shares shares	Jul. 10, 2018 USD ($)	May 04, 2018 USD ($)	May 04, 2018 CNY (¥)	Mar. 07, 2017 USD ($)	Feb. 17, 2017 USD ($)	Dec. 27, 2013 USD ($)	Aug. 14, 2013 USD ($)
Principal Activities, Basis of Presentation and Organization (Textual)
Shares of common stock | shares							2,206,640									6,403,518							1,720,087
Gross Proceeds of common stock							$ 5,520,000									$ 9,600,000							$ 17,000,000
Shares placed in escrow | shares | shares																							435,910
Description of terms of shares places in escrow																							Pursuant to the Escrow Agreement, 50% of the escrowed shares were to be released to the investors in the private placement if audited net income of the Company for the fiscal year ended September 30, 2005 was not at least $12,000,000, and the remaining 50% was to be released to investors in the private placement if audited net income of the Company for the fiscal year ended September 30, 2006 was not at least $27,000,000. If the audited net income of the Company for the fiscal years ended September 30, 2005 and 2006 reached the above-mentioned targets, the 435,910 shares would be released to Mr. Li in the amount of 50% upon reaching the 2005 target and the remaining 50% upon reaching the 2006 target.
Shares released from escrow | shares | shares												217,955									73,749	217,955				73,749
Adjustments of additional paid in capital											$ 7,955,358
Ownership percentage of equity method investment																					50.00%
Shares transferred | shares | shares								3,000,000
Shares transferred price per share | $ / shares							$ 2.5	$ 2.4
Common stock shares outstanding | shares																																36,951,423					26,647,478
Proceeds from advances from potential investors				$ 2,600,000					$ 9,847,644	$ 9,800,000										$ 2,900,000	$ 9,800,000
Debt conversion, converted instrument, amount									$ 4,376,731
Debt instrument, conversion price | $ / shares									$ 2.25							$ 1.50
Common stock, value, subscriptions																																										$ 10,000,000
Proceeds from received investment from investors					$ 2,985,497	$ 1,999,910											$ 1,119,982	$ 3,499,888	$ 2,060,000
Bank Loans																																$ 22,800,000
Other current liabilities																																77,700,000
Banking facilities, amount																									$ 19,300,000							19,300,000
Exchange price per share | $ / shares																																					$ 1.02
Other loans	[1]																															$ 1,227,964					$ 1,225,705
Mr. Yunfei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Shares of common stock | shares																746,018
Common stock shares outstanding | shares								3,000,000																	5,535,185
Sale of stock, percentage of ownership after transaction								17.30%																	14.98%
Common stock, value, subscriptions																			1,120,000
Proceeds from received investment from investors																			$ 225,784
Mr. Xiangqian Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Common stock shares outstanding | shares								760,557
Sale of stock, percentage of ownership after transaction								4.40%
Mr. Dawei Li and Mr. Yunfei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit															$ 1,700,000
Cbak Trading [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Registered capital of subsidiary																																												$ 500,000
Cbak Power [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Registered capital of subsidiary																																											$ 30,000,000
Accumulated contributions to subsidiary																																									$ 29,999,978
Registered capital increased																																						$ 5,000,000
Cbak Power [Member] | Mr. Dawei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit															3,500,000																		$ 1,500,000
Cbak Power [Member] | Mr. Yunfei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit															170,000																		2,600,000
Cbak Power [Member] | Mr. Dawei Li and Mr. Yunfei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit															$ 5,200,000																		$ 4,100,000
Cancellation agreement, description															The Company entered into a cancellation agreement with Mr. Dawei Li and Mr. Yunfei Li. 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.
Cbak Power [Member] | Mr. Jun Lang [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit														$ 300,000
Cbak Power [Member] | Ms. Jing Shi [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit														100,000
Cbak Power [Member] | Asia EVK Energy Auto Limited [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit														5,300,000
Cbak Power [Member] | Mr. Jun Lang, Ms. Jing Shi and Asia EVK Energy Auto Limited [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit														5,700,000
Suzhou [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Registered capital of subsidiary																																							$ 1,500,000
Accumulated contributions to subsidiary																											$ 1,300,000
Ownership percentage of noncontrolling interest																											10.00%	10.00%
Accumulated contributions to subsidiary from noncontrolling interests																											$ 115,414
RMB [Member] | Mr. Dawei Li and Mr. Yunfei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit | ¥																																				¥ 11,647,890
RMB [Member] | Cbak Power [Member] | Mr. Dawei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit | ¥																																		¥ 10,000,000		23,980,950
RMB [Member] | Cbak Power [Member] | Mr. Yunfei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit | ¥																																		¥ 18,000,000		¥ 11,647,890
RMB [Member] | Cbak Power [Member] | Mr. Jun Lang [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit | ¥																																			¥ 2,225,082
RMB [Member] | Cbak Power [Member] | Ms. Jing Shi [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit | ¥																																			¥ 912,204
RMB [Member] | Cbak Power [Member] | Asia EVK Energy Auto Limited [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit														$ 35,406,036
RMB [Member] | Cbak Power [Member] | Mr. Jun Lang, Ms. Jing Shi and Asia EVK Energy Auto Limited [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Cancellation agreement, description														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.
RMB [Member] | Suzhou [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Registered capital of subsidiary | ¥																																								¥ 10,000,000
Accumulated contributions to subsidiary | ¥																												¥ 9,000,000
Ownership percentage of equity method investment																																							90.00%	90.00%
Accumulated contributions to subsidiary from noncontrolling interests | ¥																												¥ 784,000
Subsequent Event [Member] | Cbak Trading [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Accumulated contributions to subsidiary																													$ 1,100,000
Registered capital increased																													$ 5,000,000
Subsequent Event [Member] | Cbak Power [Member] | Mr. Yunfei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit																														$ 400,000
Subsequent Event [Member] | Cbak Power [Member] | Asia EVK Energy Auto Limited [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit																														2,900,000
Subsequent Event [Member] | Cbak Power [Member] | Asia EVK and Mr. Yunfei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit																														$ 3,300,000
Subsequent Event [Member] | Cbak Power [Member] | Mr. Dawei Li, Mr. Yunfei Li and Asia EVK [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Cancellation agreement, description		Pursuant to the terms of the cancellation agreement, Mr. Dawei Li, Mr. Yunfei Li and Asia EVK agreed to cancel the Third Debt and Fourth 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.
Subsequent Event [Member] | RMB [Member] | Cbak Power [Member] | Mr. Yunfei Li [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit | ¥																															¥ 2,813,810
Subsequent Event [Member] | RMB [Member] | Cbak Power [Member] | Asia EVK Energy Auto Limited [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Line of credit | ¥																															¥ 20,000,000
Securities Purchase Agreement [Member] | Subsequent Event [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Principal amount			$ 1,395,000
Bears interest rate			10.00%
Received proceeds			$ 1,250,000
Original issue discount			125,000
Lender's expenses			$ 20,000
Cancellation Agreement [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Exchange price per share | $ / shares														$ 1.1	$ 1.02
Shares canceled in exchange | shares														5,205,905	5,098,040
Other loans														$ 5,730,000	$ 5,200,000
Number of creditors | Creditors														3	2
Cancellation Agreement [Member] | Subsequent Event [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Exchange price per share | $ / shares		$ 1.05											$ 1.05
Shares canceled in exchange | shares													7,092,219
Other loans		$ 7,500,000											$ 7,500,000
Number of creditors | Creditors													3
Investment agreements [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Payment of partial earnest money to investors																								$ 5,200,000
Investment agreements [Member] | RMB [Member]
Principal Activities, Basis of Presentation and Organization (Textual)
Payment of partial earnest money to investors																								$ 769,298

[1] On July 7, 2016, Shenzhen Huijie Purification System Engineering Co., Ltd ("Shenzhen Huijie"), one of the Company's contractors, filed a lawsuit against CBAK Power in the Peoples' Court of Zhuanghe City, Dalian for the failure to pay pursuant to the terms of the contract and entrusted part of the project of the contract to a third party without their prior consent. The plaintiff sought a total amount of $1,227,964 (RMB 8,430,792), including construction costs of $0.9 million (RMB6.1 million), interest of $30,934 (RMB0.2 million) and compensation of $0.3 million (RMB1.9 million), which we already accrued for as of September 30, 2016. On September 7, 2016, upon the request of Shenzhen Huijie, the Court froze CBAK Power's bank deposits totaling $1,227,964 (RMB 8,430,792) for a period of one year. Further on September 1, 2017, upon the request of Shenzhen Huijie, the Court froze the bank deposits for another one year until August 31, 2018. The Court froze the bank deposits for another one year until August 27, 2019 upon the request of Shenzhen Huijie on August 27, 2018.