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Commitments and Contingencies (Details Textual)					1 Months Ended																																9 Months Ended		12 Months Ended
	Aug. 07, 2019 USD ($)	Aug. 07, 2019 CNY (¥)	Jul. 07, 2016 USD ($)	Jul. 07, 2016 CNY (¥)	Jun. 30, 2020 USD ($)	Jun. 30, 2020 CNY (¥)	Jun. 30, 2020 USD ($)	Jun. 30, 2020 CNY (¥)	Jun. 28, 2020 USD ($)	Jun. 28, 2020 CNY (¥)	May 31, 2020 USD ($)	May 31, 2020 CNY (¥)	Apr. 30, 2020 USD ($)	Apr. 30, 2020 CNY (¥)	Mar. 20, 2020 USD ($)	Mar. 20, 2020 CNY (¥)	Feb. 29, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)	Nov. 30, 2019 USD ($)	Nov. 30, 2019 CNY (¥)	Oct. 31, 2019 USD ($)	Oct. 31, 2019 CNY (¥)	Oct. 30, 2019	Sep. 30, 2019 USD ($)	Sep. 30, 2019 CNY (¥)	Jul. 25, 2019 USD ($)	Jul. 25, 2019 CNY (¥)	Jul. 25, 2019 USD ($)	Jul. 25, 2019 CNY (¥)	Dec. 19, 2017 USD ($)	Dec. 19, 2017 CNY (¥)	Jun. 30, 2017 USD ($)	Jun. 30, 2017 CNY (¥)	May 31, 2017 USD ($)	May 31, 2017 CNY (¥)	Sep. 30, 2020 USD ($)	Sep. 30, 2020 CNY (¥)	Dec. 31, 2017 USD ($)	Sep. 30, 2020 CNY (¥)	Aug. 24, 2020 USD ($)	Aug. 24, 2020 CNY (¥)	Jul. 31, 2020 USD ($)	Jul. 31, 2020 CNY (¥)	Jun. 28, 2020 CNY (¥)	May 31, 2020 CNY (¥)	Mar. 20, 2020 CNY (¥)	Feb. 29, 2020 CNY (¥)	Dec. 31, 2019 CNY (¥)	Nov. 30, 2019 CNY (¥)	Oct. 31, 2019 CNY (¥)	Sep. 30, 2019 CNY (¥)	Aug. 09, 2019 USD ($)	Aug. 09, 2019 CNY (¥)	Aug. 07, 2019 CNY (¥)	May 20, 2019 USD ($)	May 20, 2019 CNY (¥)	Nov. 08, 2018 USD ($)	Nov. 08, 2018 CNY (¥)	May 31, 2017 CNY (¥)	Sep. 07, 2016 USD ($)	Sep. 07, 2016 CNY (¥)	Nov. 30, 2007 USD ($)	Aug. 15, 2006 USD ($)
Bank deposits																		$ 63,184																			$ 42,907
Bank transaction																																					3,280
Injected from BAK Asia																		87,297,961																			287,805,835
Payments to employees																									$ 94,015
Employee compensation																									79,971
Employee compensation including salaries, total																									170,000
Liquidated damages																		1,210,119																			1,210,119																										$ 561,174	$ 1,051,000
Shenzhen Xinjiatuo Automobile Technology [Member]
Plaintiff sought a total amount	$ 290,000																												$ 160,000
Bank deposits																																																					$ 160,000
Litigation fees	9,785
Equipment cost					$ 140,000
Return of prepayment	200,000
Liquidated damages	70,692
Amount of litigation fees	736
Interest [Member]
Contract amount																																			$ 125,458
Interest [Member] | Shenzhen Xinjiatuo Automobile Technology [Member]
Plaintiff sought a total amount																											$ 20,000										140,000
Bank deposits																																																					$ 20,000
RMB [Member]
Bank transaction | ¥																																								¥ 22,270
Payments to employees | ¥																										¥ 638,359
Employee compensation | ¥																										543,000
Employee compensation including salaries, total | ¥																										1,181,359
RMB [Member] | Shenzhen Xinjiatuo Automobile Technology [Member]
Plaintiff sought a total amount | ¥		¥ 1,986,400																												¥ 1,112,269
Litigation fees | ¥		66,440
Equipment cost | ¥						¥ 976,000
Return of prepayment | ¥		¥ 1,440,000
Liquidated damages | ¥																																																							¥ 480,000
Amount of litigation fees	$ 5,000
RMB [Member] | Interest [Member]
Contract amount | ¥																																				¥ 851,858
RMB [Member] | Interest [Member] | Shenzhen Xinjiatuo Automobile Technology [Member]
Plaintiff sought a total amount | ¥																												¥ 136,269										¥ 976,000
Bank deposits | ¥																																																						¥ 136,269
RMB [Member] | Shenzhen Xinjiatuo Automobile Technology [Member]
Bank deposits | ¥																																																						¥ 1,117,269
Shenzhen Huijie [Member]
Plaintiff sought a total amount			$ 1,241,648
Bank deposits																																																													$ 1,241,648
Construction cost																																																								$ 261,316
Shenzhen Huijie [Member] | Interest [Member]
Plaintiff sought a total amount			29,455
Shenzhen Huijie [Member] | Compensation [Member]
Plaintiff sought a total amount			300,000
Shenzhen Huijie [Member] | Remaining Contract Amount [Member]
Contract amount																																	$ 900,000
Litigation fees																																							$ 100,000
Shenzhen Huijie [Member] | Construction costs [Member]
Plaintiff sought a total amount			900,000
Shenzhen Huijie [Member] | RMB [Member]
Plaintiff sought a total amount | ¥				¥ 8,430,792
Bank deposits | ¥																																																														¥ 8,430,792
Construction cost | ¥																																																									¥ 1,774,337
Shenzhen Huijie [Member] | RMB [Member] | Interest [Member]
Plaintiff sought a total amount | ¥				200,000
Shenzhen Huijie [Member] | RMB [Member] | Compensation [Member]
Plaintiff sought a total amount | ¥				1,900,000
Shenzhen Huijie [Member] | RMB [Member] | Remaining Contract Amount [Member]
Contract amount | ¥																																		¥ 6,135,860
Shenzhen Huijie [Member] | RMB [Member] | Construction costs [Member]
Plaintiff sought a total amount | ¥				6,100,000
Shenzhen Huijie [Member]
Plaintiff sought a total amount			$ 1,241,648
Bank transaction																																																													$ 1,241,648
Litigation fees									$ 30,826
Construction cost									$ 245,530																																																	$ 1,344,605
Amount of final judgement not received																																					276,356
Shenzhen Huijie [Member] | RMB [Member]
Plaintiff sought a total amount | ¥				¥ 8,430,792
Bank transaction | ¥																																																														¥ 8,430,792
Litigation fees | ¥										¥ 209,312
Construction cost | ¥																																													¥ 1,667,146														¥ 9,129,868
Anyuan Bus [Member]
Power sought a total amount																																			2,692,173
Anyuan Bus [Member] | Goods Amount [Member]
Contract amount																															$ 2,566,716				$ 2,566,716
Litigation fees																															$ 19,364
Anyuan Bus [Member] | RMB [Member]
Power sought a total amount | ¥																																																												¥ 18,279,858
Provision receivable | ¥																																								2,566,716									¥ 17,428,000
Anyuan Bus [Member] | RMB [Member] | Goods Amount [Member]
Contract amount | ¥																																¥ 17,428,000				¥ 17,428,000
Litigation fees | ¥																																¥ 131,480
Suzhou Industrial Park Security Service [Member]
Plaintiff sought a total amount																				$ 576
Bank deposits																				20,000					170,000												20,576
Bank transaction																																					6
Construction cost																																					4,857
Payments to employees																									90,015
Employee compensation																									79,971
Employee compensation including salaries, total																									$ 170,000
Services expenses																				20,458
Suzhou Industrial Park Security Service [Member] | Interest [Member]
Plaintiff sought a total amount																				$ 114
Suzhou Industrial Park Security Service [Member] | RMB [Member]
Plaintiff sought a total amount | ¥																					¥ 139,713
Bank deposits | ¥																																								139,713										¥ 150,000		¥ 1,181,359
Bank transaction | ¥																																								43
Construction cost | ¥																																								32,980
Payments to employees | ¥																										638,359
Employee compensation | ¥																										543,000
Employee compensation including salaries, total | ¥																										¥ 1,181,359
Services expenses | ¥																					138,908
Suzhou Industrial Park Security Service [Member] | RMB [Member] | Interest [Member]
Plaintiff sought a total amount | ¥																					¥ 805
Hunan Zhongke Xingcheng Co., Ltd [Member]
Bank deposits																						$ 148,074
Hunan Zhongke Xingcheng Co., Ltd [Member] | RMB [Member]
Bank deposits | ¥																																																			¥ 1,005,425
Zhuanghe City that Hunan Zhongke Xingcheng Co., Ltd [Member]
Commitments and contingencies, description																								CBAK Power has settled $36,819 (RMB250,000). Upon the request of Hunan Zhongke for property preservation, the Court of Zhuanghe City ordered to freeze CBAK Power's bank deposits totaling $0.1 million (RMB768,876) for a period of one year to September 2021. As of September 30, 2020, the Company had accrued the material purchase cost of $11,255 (RMB755,425) and nil was frozen by bank.
Chongqing that Chongqing Zhongrun Chemistry Co., Ltd [Member]
Bank deposits																						400,000
Materials purchase cost																						400,000
Interest																						$ 12,855
Commitments and contingencies, description																						On October 31, 2019, CBAK Power and Chongqing Zhongrun reached an agreement that CBAK Power would pay the material cost by the end of December 31, 2019. In 2020, CBAK Power had settled $190,515 (RMB1,293,600). As of September 30, 2020, the Company has accrued the remaining material purchase cost of $0.16 million (RMB1,104,060). In August 2020, upon the request of Chongqing Zhongrun for property preservation, the Court of Changshou District ordered to freeze CBAK Power’s bank deposits totaling $0.2 million (RMB1,249,836) for a period of one year to August 2021. As of September 30, 2020, nil was frozen by bank.	On October 31, 2019, CBAK Power and Chongqing Zhongrun reached an agreement that CBAK Power would pay the material cost by the end of December 31, 2019. In 2020, CBAK Power had settled $190,515 (RMB1,293,600). As of September 30, 2020, the Company has accrued the remaining material purchase cost of $0.16 million (RMB1,104,060). In August 2020, upon the request of Chongqing Zhongrun for property preservation, the Court of Changshou District ordered to freeze CBAK Power’s bank deposits totaling $0.2 million (RMB1,249,836) for a period of one year to August 2021. As of September 30, 2020, nil was frozen by bank.
Chongqing that Chongqing Zhongrun Chemistry Co., Ltd [Member] | RMB [Member]
Bank deposits | ¥																																																			¥ 2,484,948
Materials purchase cost | ¥																							¥ 2,397,660
Interest | ¥																							¥ 87,288
Dalian Construction Electrical Installation Engineering Co., Ltd. [Member]
Bank deposits																		101,780
Accrued construction cost																		101,780
Interest																		$ 1,905
Commitments and contingencies, description																		Upon the request of Dalian Construction for property preservation, the Court of Zhuanghe ordered to freeze CBAK Power's bank deposits totaling $103,685 (RMB704,020) for a period of one year to December 2020. As of December 31, 2019, $97,384 (RMB661,240) was frozen by bank. In January 2020, CBAK Power and Dalian Construction have come to a settlement, and the bank deposit was then released. CBAK Power has paid all the debt as of September 30, 2020.	Upon the request of Dalian Construction for property preservation, the Court of Zhuanghe ordered to freeze CBAK Power's bank deposits totaling $103,685 (RMB704,020) for a period of one year to December 2020. As of December 31, 2019, $97,384 (RMB661,240) was frozen by bank. In January 2020, CBAK Power and Dalian Construction have come to a settlement, and the bank deposit was then released. CBAK Power has paid all the debt as of September 30, 2020.
Dalian Construction Electrical Installation Engineering Co., Ltd. [Member] | RMB [Member]
Bank deposits | ¥																																																	691,086
Accrued construction cost | ¥																																																	¥ 691,086
Interest | ¥																			¥ 12,934
Dongguan Shanshan Battery Material Co., Ltd [Member]
Bank deposits																	$ 600,000
Commitments and contingencies, description																	Upon the request of Dongguan Shanshan for property preservation, the Court of Zhuanghe ordered to freeze CBAK Power's bank deposits totaling $0.6 million (RMB4,434,209) for a period of one year to December 17, 2020. In July 2020, CBAK Power and Dongguan Shanshan have come to a settlement amount of $0.5 million (RMB3,635,192) and the bank deposit was then released. In October 2020, CBAK Power fail to pay according to the settlement, Dongguan Shanshan sought a total amount of $0.5 million (RMB3,635,192). Upon the request of Dongguan Shanshan for property preservation, the Court of Zhuanghe ordered to freeze CBAK Power's bank deposits totaling $0.5 million (RMB3,365,192) for a period of one year to October 21, 2021.
Dongguan Shanshan Battery Material Co., Ltd [Member] | RMB [Member]
Bank deposits | ¥																																																¥ 4,434,209
Cangzhou Huibang [Member]
Plaintiff sought a total amount															$ 300,000
Bank deposits															300,000
Materials purchase cost																																					300,000
Cangzhou Huibang [Member] | Interest [Member]
Plaintiff sought a total amount															$ 14,234
Commitments and contingencies, description															Upon the request of Cangzhou Huibang for property preservation, the Court of Nanpi ordered to freeze CBAK Power's bank deposits totaling $0.4 million (RMB2,650,000) for a period of one year to March 3, 2020. As of September 30, 2020, $3,280 (RMB22,270) was frozen by bank.	Upon the request of Cangzhou Huibang for property preservation, the Court of Nanpi ordered to freeze CBAK Power's bank deposits totaling $0.4 million (RMB2,650,000) for a period of one year to March 3, 2020. As of September 30, 2020, $3,280 (RMB22,270) was frozen by bank.
Cangzhou Huibang [Member] | RMB [Member]
Plaintiff sought a total amount | ¥																¥ 1,932,947
Bank deposits | ¥																																															¥ 2,029,594
Materials purchase cost | ¥																																						1,932,947
Cangzhou Huibang [Member] | RMB [Member] | Interest [Member]
Plaintiff sought a total amount | ¥																¥ 96,647
Shenzhen Klclear Technology Co., Ltd. [Member]
Plaintiff sought a total amount													$ 1,000,000
Shenzhen Klclear Technology Co., Ltd. [Member] | RMB [Member]
Plaintiff sought a total amount | ¥														¥ 6,250,764
Tianjin Changxing Metal Co., Ltd [Member]
Plaintiff sought a total amount											$ 28,511
Bank deposits																																									$ 31,648
Frozen by bank																																					1,691
Materials purchase cost																																					28,511
Tianjin Changxing Metal Co., Ltd [Member] | RMB [Member]
Plaintiff sought a total amount | ¥												¥ 193,588
Bank deposits | ¥																																										¥ 214,892
Frozen by bank | ¥																																								11,479
Materials purchase cost | ¥																																						¥ 193,588
Tianjin Changyuan Electric Material Co., Ltd [Member]
Bank deposits											12,538																																$ 12,538
Frozen by bank																																					12,538
Materials purchase cost											11,698
Accrued materials purchase cost																																					12,538
Tianjin Changyuan Electric Material Co., Ltd [Member] | Interest [Member]
Interest											$ 840
Tianjin Changyuan Electric Material Co., Ltd [Member] | RMB [Member]
Bank deposits | ¥																																												¥ 85,136		¥ 85,136
Frozen by bank | ¥																																								85,136
Materials purchase cost | ¥												79,429
Accrued materials purchase cost | ¥																																								85,136
Tianjin Changyuan Electric Material Co., Ltd [Member] | RMB [Member] | Interest [Member]
Interest | ¥												¥ 5,707
Ligao [Member]
Plaintiff sought a total amount							$ 11,384
Contract amount							10,807
Accrued materials purchase cost																																					10,807
Interest							621
Ligao [Member] | RMB [Member]
Plaintiff sought a total amount | ¥								¥ 77,599
Contract amount | ¥								73,380
Accrued materials purchase cost | ¥																																								73,380
Interest | ¥								4,219
Ganfeng Battery [Member]
Plaintiff sought a total amount							111,308
Bank deposits																																					113,401
Contract amount							107,954
Frozen by bank
Accrued materials purchase cost																																					107,954
Interest							3,354
Ganfeng Battery [Member] | RMB [Member]
Plaintiff sought a total amount | ¥								755,780
Bank deposits | ¥																																								769,994
Contract amount | ¥								733,009
Accrued materials purchase cost | ¥																																								733,009
Interest | ¥								¥ 22,771
Jihongkai [Member]
Accrued materials purchase cost																																					$ 24,872
Jihongkai [Member] | RMB [Member]
Accrued materials purchase cost | ¥																																								175,722
Nanjing Jinlong [Member]
Plaintiff sought a total amount							$ 121,060
Commitments and contingencies, description							Upon the request of Nanjing Jinlong for property preservation, the Court of Dalian Economic and Technology Development Zone ordered to freeze CBAK Power's bank deposits totaling $121,060 (RMB822,000) for a period of one year. As of September 30, 2020, $16 (RMB107) was frozen by bank and the Company had accrued the material purchase cost of $121,060 (RMB822,000).	Upon the request of Nanjing Jinlong for property preservation, the Court of Dalian Economic and Technology Development Zone ordered to freeze CBAK Power's bank deposits totaling $121,060 (RMB822,000) for a period of one year. As of September 30, 2020, $16 (RMB107) was frozen by bank and the Company had accrued the material purchase cost of $121,060 (RMB822,000).
Nanjing Jinlong [Member] | RMB [Member]
Plaintiff sought a total amount | ¥								¥ 822,000
Xi'an Anpu [Member]
Plaintiff sought a total amount							$ 124,294
Commitments and contingencies, description							Upon the request of Xi'an Anpu for property preservation, the Court of Dalian Economic and Technology Development Zone ordered to freeze CBAK Power's bank deposits $0.1 million (RMB843,954) for a period to May 11, 2022. As of September 30, 2020, $97,727 (RMB629,620) was frozen by bank and the Company had accrued the equipment purchase cost of $113,108 (RMB768,000).	Upon the request of Xi'an Anpu for property preservation, the Court of Dalian Economic and Technology Development Zone ordered to freeze CBAK Power's bank deposits $0.1 million (RMB843,954) for a period to May 11, 2022. As of September 30, 2020, $97,727 (RMB629,620) was frozen by bank and the Company had accrued the equipment purchase cost of $113,108 (RMB768,000).
Xi'an Anpu [Member] | RMB [Member]
Plaintiff sought a total amount | ¥								¥ 843,954
Liquidated damages | ¥																																								75,954
Accrued equipment cost | ¥																																								¥ 768,000
Shenzhen Gd [Member]
Plaintiff sought a total amount							$ 23,762
Equipment cost							22,091
Interest							$ 1,671
Shenzhen Gd [Member] | RMB [Member]
Plaintiff sought a total amount | ¥								161,346
Equipment cost | ¥								150,000
Interest | ¥								¥ 11,346

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