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Commitments and Contingencies (Details Textual) |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |  |  |  |
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Aug. 09, 2019 USD ($) | Oct. 16, 2018 USD ($) | Jul. 07, 2016 USD ($) | Jul. 07, 2016 CNY (¥) | Sep. 30, 2019 USD ($) | Sep. 30, 2019 CNY (¥) | Jul. 25, 2019 USD ($) | Dec. 19, 2017 USD ($) | Jun. 30, 2017 USD ($) | May 31, 2017 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2019 CNY (¥) | Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Sep. 30, 2019 CNY (¥) | Dec. 31, 2018 USD ($) | Nov. 08, 2018 USD ($) | Dec. 31, 2017 USD ($) | Apr. 30, 2017 USD ($) | Sep. 07, 2016 USD ($) | Sep. 07, 2016 CNY (¥)
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  | $ 52,990 |  |  |  |  |  |  | $ 52,990 |  |  |  |  |  |  |  |  |  |
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction cost |  |  |  |  |  |  |  |  |  |  | $ 1,600,000 |  |  | $ 1,600,000 |  |  |  |  |  |  |  |
Injected from BAK Asia |  |  |  |  | 27,545,115 |  |  |  |  |  |  | 27,545,115 |  |  |  |  | 26,066,570 |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 56,974 |  |  |  |  |
Payments to employees |  |  |  |  | 89,295 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee compensation |  |  |  |  | 75,956 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee compensation including salaries, total |  |  |  |  | $ 170,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employees compensation, description |  |  |  |  | The request of the employees, the court of Suzhou Industrial Park ruled that froze the bank deposits of CBAK Suzhou totaling $0.17 million (RMB 1,181,359) should be frozen for a period of one year. | The request of the employees, the court of Suzhou Industrial Park ruled that froze the bank deposits of CBAK Suzhou totaling $0.17 million (RMB 1,181,359) should be frozen for a period of one year. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dalian BAK [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Injected from BAK Asia |  |  |  |  |  |  |  |  |  | $ 9,495,974 |  |  |  |  |  |  |  |  |  | $ 9,495,974 |  |
Shenzhen Xinjiatuo Automobile Technology [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  |  |  |  |  | $ 160,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits | $ 160,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation fees | 699 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment cost | 976,000 |  |  |  |  |  | 140,000 |  |  |  |  | 140,000 |  |  |  |  |  |  |  |  |  |
RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 378,820 |  |  |  |  |  |
Payments to employees | ¥ |  |  |  |  |  | ¥ 638,359 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee compensation | ¥ |  |  |  |  |  | 543,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee compensation including salaries, total | ¥ |  |  |  |  |  | ¥ 1,181,359 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
RMB [Member] | Shenzhen Xinjiatuo Automobile Technology [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  |  |  |  |  | 1,112,269 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment cost | 140,000 |  |  |  |  |  | $ 976,000 |  |  |  |  | $ 976,000 |  |  |  |  |  |  |  |  |  |
RMB [Member] | Shenzhen Xinjiatuo Automobile Technology [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment cost | ¥ |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 76,000 |  |  |  |  |  |  |  |  |
Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract amount |  |  |  |  |  |  |  |  |  | 124,074 |  |  |  |  |  |  |  |  |  |  |  |
RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction cost |  |  |  |  |  |  |  |  |  |  | 11,000,000 |  |  | 11,000,000 |  |  |  |  |  |  |  |
RMB [Member] | Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract amount |  |  |  |  |  |  |  |  |  | 851,858 |  |  |  |  |  |  |  |  |  |  |  |
RMB [Member] | Shenzhen Xinjiatuo Automobile Technology [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits | 1,117,269 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation fees | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment cost | $ 140,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  | $ 1,227,583 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,227,583 |
Shenzhen Huijie [Member] | Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  | 29,812 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | Compensation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | Remaining Contract Amount [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract amount |  |  |  |  |  |  |  |  | $ 900,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | Other Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |
Shenzhen Huijie [Member] | Construction costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  | 900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  | 8,430,792 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,430,792 |
Shenzhen Huijie [Member] | RMB [Member] | Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | RMB [Member] | Compensation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  | 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | RMB [Member] | Remaining Contract Amount [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract amount |  |  |  |  |  |  |  |  | $ 6,135,860 |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | RMB [Member] | Construction costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  | 6,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  |  |  |  |  |  |  |  |  |  |  |  | 35,665 |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  |  |  |  |  |  |  |  |  |  |  |  | 904 |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | Interest [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,207 |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | Construction costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  |  |  |  |  |  |  |  |  | 34,762 |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  |  |  |  |  |  |  |  |  |  |  |  | 244,942 |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] | RMB [Member] | Construction costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  |  |  |  |  |  |  |  |  |  |  |  | 238,735 |  |  |  |  |  |  |  |
Anyuan Bus [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Power sought a total amount |  |  |  |  |  |  |  |  |  | 2,661,676 |  |  |  |  |  |  |  |  |  |  |  |
Provision receivable |  |  |  |  |  |  |  |  |  |  | 2,537,639 |  |  | 2,537,639 |  |  |  |  | $ 2,537,639 |  |  |
Anyuan Bus [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Power sought a total amount |  |  |  |  |  |  |  |  |  | 18,279,858 |  |  |  |  |  |  |  |  |  |  |  |
Anyuan Bus [Member] | Goods Amount [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract amount |  |  |  |  |  |  |  | $ 2,537,639 |  | 2,537,639 |  |  |  |  |  |  |  |  |  |  |  |
Litigation fees |  |  |  |  |  |  |  | 19,144 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Anyuan Bus [Member] | Goods Amount [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract amount |  |  |  |  |  |  |  |  |  | $ 17,428,000 |  |  |  |  |  |  |  |  |  |  |  |
Anyuan Bus [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision receivable |  |  |  |  |  |  |  |  |  |  | 17,428,000 |  |  | 17,428,000 |  |  |  |  | $ 17,428,000 |  |  |
Anyuan Bus [Member] | RMB [Member] | Goods Amount [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract amount |  |  |  |  |  |  |  | 17,428,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation fees |  |  |  |  |  |  |  | $ 131,480 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount |  |  | $ 1,179,313 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,179,313 |
Litigation fees |  | $ 11,218 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction cost |  |  |  |  |  |  |  |  |  |  | 900,000 |  |  | 900,000 |  |  |  | $ 1,330,186 |  |  |  |
Shenzhen Huijie [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plaintiff sought a total amount | ¥ |  |  |  | ¥ 8,430,792 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 8,430,792
Shenzhen Huijie [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation fees |  | $ 77,043 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction cost |  |  |  |  |  |  |  |  |  |  | $ 6,100,000 |  |  | $ 6,100,000 |  |  |  | $ 9,129,868 |  |  |  |

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