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Principal Activities, Basis of Presentation and Organization (Details) |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended |  |  |  |  |  |  |  |  |  |  |
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Oct. 09, 2021 | Feb. 08, 2021 | Dec. 08, 2020 | Nov. 09, 2020 USD ($) | Nov. 09, 2020 CNY (¥) | Aug. 06, 2020 USD ($) | Aug. 06, 2020 CNY (¥) | Oct. 10, 2019 | Jul. 06, 2018 | May 04, 2018 USD ($) | Jun. 30, 2015 shares | Nov. 30, 2007 shares | Oct. 01, 2007 USD ($) | Sep. 30, 2006 shares | Apr. 21, 2021 USD ($) | Apr. 21, 2021 CNY (¥) | Jan. 20, 2005 USD ($) shares | Mar. 31, 2022 USD ($) shares | Mar. 31, 2021 USD ($) | Aug. 04, 2021 USD ($) | Aug. 04, 2021 CNY (¥) | Nov. 09, 2020 CNY (¥) | Aug. 06, 2020 CNY (¥) | Jul. 31, 2020 USD ($) | Nov. 21, 2019 USD ($) | Oct. 29, 2019 USD ($) | Aug. 05, 2019 USD ($) | May 04, 2018 CNY (¥) | Jan. 10, 2018 USD ($) | Dec. 27, 2013 USD ($) | Aug. 14, 2013 USD ($)
Principal Activities, Basis of Presentation and Organization (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issued an aggregate shares (in Shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,720,087 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 17,000,000 |  | $ 15,630,011 |  |  |  |  |  |  |  |  |  |  |  |
Shares placed in escrow (in 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 (in Shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 217,955 |  | 217,955 |  |  |  | 217,955 |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments of additional paid in capital |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,955,358 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock equivalent percentage |  |  |  |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  | 90.00% |  |  |
Aggregate settlement payments shares (in Shares) | shares |  |  |  |  |  |  |  |  |  |  | 73,749 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered capital of subsidiary |  |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |  |  |  |  |  |  |  | $ 4,700,000 | ¥ 30,000,000 |  |  |  |  |  |  | ¥ 10,000,000 |  |  |
Registered capital increased |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 | $ 50,000,000 |  |  |  |  |  |
Equity interest rate |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company contribution |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 23,519,880 |  |  |  |  |  |
Contributed amount |  |  |  | $ 5,200,000 | ¥ 33,416,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment amount paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 | ¥ 9,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment acquire percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9.74% | 9.74% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Guangdong Meidu Hitrans Resources, description |  |  |  |  |  |  |  |  | (“Guangdong Hitrans”) was established as a 80% owned subsidiary of Hitrans with a registered capital of RMB10 million (approximately $1.6million). The remaining 20% registered equity interest was held by Shenzhen Baijun Technology Co., Ltd. Pursuant to Guangdong Hitrans’s articles of association, each shareholder is entitled to the right of the profit distribution or responsible for the loss according to its proportion to the capital contribution. Pursuant to Guangdong Hitrans’s articles of association and relevant PRC regulations, Hitrans was required to contribute the capital to Guangdong Hitrans on or before December 30, 2038. Up to the date of this report, Hitrans has contributed RMB1.72 million (approximately $0.3 million), and the other shareholder has contributed RMB0.25 million (approximately $0.04 million) to Guangdong Hitrans through injection of a series of cash. Guangdong Hitrans was established under the laws of the People’s Republic of China as a limited liability company on July 6, 2018 with a registered capital RMB10 million (approximately $1.5 million). Guangdong Hitrans is based in Dongguan, Guangdong Province, and is principally engaged in the business of resource recycling, waste processing, and R&D, manufacturing and sales of battery materials. The Company plan to dissolve Guangdong Hitrans in 2022. On October 9, 2021, Shaoxing Haisheng International Trading Co., Ltd. (“Haisheng”) was established as a wholly owned subsidiary of Hitrans with a register capital of RMB5 million (approximately $0.8 million). Pursuant to Haisheng’s articles of association and relevant PRC regulations, Hitrans was required to contribute the capital to Haisheng on or before May 31, 2025. Up to the date of this report, Hitrans has contributed RMB3.5 million (approximately $0.5 million) to Haisheng. The Company’s condensed consolidated financial statements have been prepared under US GAAP. The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. This basis of accounting differs in certain material respects from that used for the preparation of the books of account of the Company and its subsidiaries, which are prepared in accordance with the accounting principles and the relevant financial regulations applicable to enterprises with limited liability established in the PRC or Hong Kong. The accompanying consolidated financial statements reflect necessary adjustments not recorded in the books of account of the Company’s subsidiaries to present them in conformity with US GAAP. After the disposal of BAK International Limited and its subsidiaries, namely Shenzhen BAK, Shenzhen BAK Power Battery Co., Ltd (formerly BAK Battery (Shenzhen) Co., Ltd.) (“BAK Shenzhen”), BAK International (Tianjin) Ltd. (“BAK Tianjin”), Tianjin Chenhao Technological Development Limited (a subsidiary of BAK Tianjin established on May 8, 2014, “Tianjin Chenhao”), BAK Battery Canada Ltd. (“BAK Canada”), BAK Europe GmbH (“BAK Europe”) and BAK Telecom India Private Limited (“BAK India”), effective on June 30, 2014, and as of December 31, 2021, the Company’s subsidiaries consisted of: i) China BAK Asia Holdings Limited (“BAK Asia”), a wholly owned limited liability company incorporated in Hong Kong on July 9, 2013; ii) Dalian CBAK Trading Co., Ltd. (“CBAK Trading”), a wholly owned limited company established on August 14, 2013 in the PRC; iii) Dalian CBAK Power Battery Co., Ltd. (“CBAK Power”), a wholly owned limited liability company established on December 27, 2013 in the PRC; iv) CBAK New Energy (Suzhou) Co., Ltd. (“CBAK Suzhou”), a 90% owned limited liability company established on May 4, 2018 in the PRC; v) Dalian CBAK Energy Technology Co., Ltd (“CBAK Energy”), a wholly owned limited liability company established on November 21, 2019 in the PRC; (vi) BAK Asia Investments Limited (“BAK Investments”), a wholly owned limited liability company incorporated in Hong Kong acquired on July 14, 2020; (vii) CBAK New Energy (Nanjing) Co., Ltd. (“CBAK Nanjing”), a wholly owned limited liability company established on July 31, 2020 in the PRC; (viii) Nanjing CBAK New Energy Technology Co., Ltd, (“Nanjing CBAK”), a wholly owned limited liability company established on August 6, 2020 in the PRC; (ix) Nanjing Daxin New Energy Automobile Industry Co., Ltd (“Nanjing Daxin”), a wholly owned limited liability company established on November 9, 2020; (x) Daxin New Energy Automobile Technology ( Jiangsu) Co., Ltd (“Jiangsu Daxin”), a wholly owned limited liability company established on August 4, 2021 in the PRC; (xi) Zhejiang Hitrans Lithium Battery Technology Co., Ltd (“Hitrans”), a 81.56% registered equity interests (representing 75.57% of paid-up capital) owned limited liability company established on December 16, 2015 in the PRC; (xii) Guangdong Meidu Hitrans Resources Recycling Technology Co., Ltd., a 65.25% owned limited liability company established on July 6, 2018 in the PRC and (xiii) Shaoxing Haisheng International Trading Co., Ltd. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shaoxing Haisheng International Trading, description | (“Haisheng”) was established as a wholly owned subsidiary of Hitrans with a register capital of RMB5 million (approximately $0.8 million). Pursuant to Haisheng’s articles of association and relevant PRC regulations, Hitrans was required to contribute the capital to Haisheng on or before May 31, 2025. Up to the date of this report, Hitrans has contributed RMB3.5 million (approximately $0.5 million) to Haisheng. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company contribution related, description |  |  |  |  |  |  |  | , Ltd. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Other current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 107,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Cbak Trading [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Activities, Basis of Presentation and Organization (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered capital increased |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  |
CBAK Power [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Activities, Basis of Presentation and Organization (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered capital of subsidiary |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 30,000,000 |
Registered capital increased |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 60,000,000 |  |  |  |  |
Cash |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,435,000 |  |  |  |
Ownership percentage of equity method investment |  |  |  |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90.00% |  |  |
CBAK Energy [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Activities, Basis of Presentation and Organization (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered capital increased |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000,000 |  |
CBAK New Energy Technology Co Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Activities, Basis of Presentation and Organization (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered capital of subsidiary |  |  |  |  |  | $ 110,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 700,000,000 |  |  |  |  |  |  |  |
Contributed amount |  |  |  |  |  | $ 55,600,000 | ¥ 352,538,138 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nanjing Daxin New Energy Automobile Industry Co Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Activities, Basis of Presentation and Organization (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered capital of subsidiary |  |  |  | $ 7,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 50,000,000 |  |  |  |  |  |  |  |  |
Cbak Trading [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Activities, Basis of Presentation and Organization (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered capital of subsidiary |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000
Investor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Activities, Basis of Presentation and Organization (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities purchase agreement, description |  | the Company entered into another securities purchase agreement with the same investors, pursuant to which the Company issued in a registered direct offering, an aggregate of 8,939,976 shares of common stock of the Company at a per share purchase price of $7.83. In addition, the Company issued to the investors (i) in a concurrent private placement, the Series A-1 warrants to purchase a total of 4,469,988 shares of common stock, at a per share exercise price of $7.67 and exercisable for 42 months from the date of issuance; (ii) in the registered direct offering, the Series B warrants to purchase a total of 4,469,988 shares of common stock, at a per share exercise price of $7.83 and exercisable for 90 days from the date of issuance; and (iii) in the registered direct offering, the Series A-2 warrants to purchase up to 2,234,992 shares of common stock, at a per share exercise price of $7.67 and exercisable for 45 months from the date of issuance. The Company received gross proceeds of approximately $70 million from the registered direct offering and the concurrent private placement, before deducting fees to the placement agent and other estimated offering expenses of $5.0 million payable by the Company. In addition, the placement agent for this transaction also received warrants (“Placement Agent Warrants”) for the purchase of up to 446,999 shares of the Company’s common stock at an exercise price of $9.204 per share exercisable for 36 months after 6 months from the issuance. | the Company entered into a securities purchase agreement with certain institutional investors, pursuant to which the Company issued in a registered direct offering, an aggregate of 9,489,800 shares of common stock of the Company at a per share purchase price of $5.18, and warrants to purchase an aggregate of 3,795,920 shares of common stock of the Company at an exercise price of $6.46 per share exercisable for 36 months from the date of issuance, for gross proceeds of approximately $49.16 million, before deducting fees to the placement agent and other estimated offering expenses of $3.81 million payable by the Company. In addition, the placement agent for this transaction also received warrants (“Placement Agent Warrants”) for the purchase of up to 379,592 shares of the Company’s common stock at an exercise price of $6.475 per share exercisable for 36 months after 6 months from the issuance. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Li Settlement Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Activities, Basis of Presentation and Organization (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares released from escrow (in Shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 217,955 |  |  |  |  |  |  |  |  |  |  |  |  |

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