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Pledged deposits (Details) |  | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |
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Mar. 05, 2021 USD ($) | Mar. 05, 2021 CNY (¥) | Jun. 30, 2021 USD ($) | Jun. 30, 2021 CNY (¥) | May 31, 2021 USD ($) | May 31, 2021 CNY (¥) | Apr. 30, 2021 USD ($) | Apr. 30, 2021 CNY (¥) | Mar. 31, 2021 USD ($) | Mar. 31, 2021 CNY (¥) | Oct. 31, 2020 USD ($) | Oct. 31, 2020 CNY (¥) | Jul. 31, 2020 USD ($) | Jul. 31, 2020 CNY (¥) | Jun. 30, 2020 USD ($) | Jun. 30, 2020 CNY (¥) | May 31, 2020 USD ($) | May 31, 2020 CNY (¥) | Mar. 20, 2020 USD ($) | Mar. 20, 2020 CNY (¥) | Feb. 29, 2020 USD ($) | Feb. 29, 2020 CNY (¥) | Nov. 30, 2019 USD ($) | Nov. 30, 2019 CNY (¥) | Oct. 31, 2019 USD ($) | Oct. 31, 2019 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Sep. 30, 2021 USD ($) | Sep. 17, 2021 USD ($) | Sep. 17, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥) | Oct. 31, 2020 CNY (¥) | Aug. 31, 2020 USD ($) | Aug. 31, 2020 CNY (¥) | Jul. 31, 2020 CNY (¥) | Jun. 30, 2020 CNY (¥) | Mar. 20, 2020 CNY (¥) | Feb. 29, 2020 CNY (¥) | Nov. 30, 2019 CNY (¥) | Nov. 30, 2007 USD ($)
Pledged deposits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Material purchase cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,874 |  |  |  |  | ¥ 38,346 |  |  |  |  |  | ¥ 1,932,947 |  |  |
Payments for legal settlements |  |  |  |  |  |  |  |  |  |  | $ 600,000 | ¥ 3,635,192 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidated damages | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 159,000 |  |  |  |  |  |  |  |  |  |  |  | $ 561,174
Suzhou Security [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pledged deposits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total sought amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 21,672 | ¥ 139,713 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service expenses amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21,547 | 138,908 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 125 | ¥ 805 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,000.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 150,000 |
Frozen by bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,062 |  |  |  |  | 33,048 |  |  |  |  |  |  |  |  |
Cangzhou Huibang [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pledged deposits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total sought amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 310,000 | ¥ 2,029,594 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,804 | ¥ 96,647 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |  |  |  |  | 2,650,000 |  |  |  |  |  |  |  |  |
Frozen by bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,518 |  |  |  |  | 120,898 |  |  |  |  |  |  |  |  |
Material purchase cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000 |  |  |  |  |  |  |  | 300,000 |  |  |  |  | 1,932,947 |  |  |  |  |  |  |  |  |
Dongguan Shanshan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pledged deposits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total sought amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 700,000 | ¥ 4,434,209 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  | 600,000 |  |  |  |  |  |  |  |  |  | $ 700,000 |  |  |  |  |  |  |  |  |  |  |  | ¥ 3,365,192 |  |  |  |  |  | ¥ 4,434,209 |  |
Frozen by bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 55,230 |  |  |  |  | 360,576 |  |  |  |  |  |  |  |  |
Settlement amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 600,000 | ¥ 3,635,192 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for legal settlements | $ 260,393 | ¥ 1,700,000 | $ 32,088 | ¥ 209,487 | $ 76,586 | ¥ 500,000 | $ 76,586 | ¥ 500,000 | $ 76,586 | ¥ 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments | ¥ |  | ¥ 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nanjing Jinlong [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pledged deposits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total sought amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 125,443 | ¥ 822,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 125,443 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 822,000 |  |  |  |
Frozen by bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16 |  |  |  |  | 107 |  |  |  |  |  |  |  |  |
Material purchase cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 125,443 |  |  |  |  | 822,000 |  |  |  |  |  |  |  |  |
Xi'an Anpu [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pledged deposits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total sought amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 129,270 | 843,954 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 117,636 | ¥ 768,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidated damages |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,634 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 75,954 |  |  |  |
Employees compensation, description |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 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, 2021. As of December 31, 2020, $98,284 (RMB641,656) was frozen by bank. The property preservation was released on February 25, 2021 upon CBAK Power settlement. | 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, 2021. As of December 31, 2020, $98,284 (RMB641,656) was frozen by bank. The property preservation was released on February 25, 2021 upon CBAK Power settlement. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tianjin Changyuan[Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pledged deposits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total sought amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,040 | ¥ 85,136 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 874 | 5,707 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,041 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 85,136 |  |  |  |  |
Frozen by bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,041 |  |  |  |  | 85,136 |  |  |  |  |  |  |  |  |
Material cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12,166 | ¥ 79,429 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Jiuzhao [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pledged deposits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total sought amount |  |  |  |  |  |  |  |  |  |  | 900,000 | 6,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest |  |  |  |  |  |  |  |  |  |  | 19,871 | 129,732 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 900,000 | ¥ 6,000,000 |  |  |  |  |  |  |  |  |  |
Material cost |  |  |  |  |  |  |  |  |  |  | $ 900,000 | ¥ 5,870,267 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Chongqing Zhongrun [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pledged deposits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total sought amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 400,000 | ¥ 2,484,948 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,370 | 87,288 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 | ¥ 1,249,836 |  |  |  |  |  |
Frozen by bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,224 |  |  |  |  | 14,521 |  |  |  |  |  |  |  |  |
Material purchase cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 |  |  |  |  | ¥ 1,104,007 |  |  |  |  |  |  |  |  |
Payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 198,144 | ¥ 1,293,600 |  |  |  |  |  |  |  |  |  |  |  |  |
Material cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 400,000 | ¥ 2,397,660 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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