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v3.25.1

Deposit Paid for Acquisition of Long-term Investments (Details) ¥ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 USD ($) | Sep. 27, 2023 USD ($) | Sep. 27, 2023 CNY (¥)
Deposit Paid for Acquisition of Long-term Investments [Line Items] |  |  |  |  |
Purchase cost | $ 10,871,081 |  | $ 13,665,499 |  |
Paid amount | $ 15,900,000 | ¥ 115.8 |  |  |
Nanjing CBAK [Member] |  |  |  |  |
Deposit Paid for Acquisition of Long-term Investments [Line Items] |  |  |  |  |
Purchase cost |  |  |  | $ 35,700,000 | ¥ 260.0
Shenzhen BAK Power Battery Co., Ltd. [Member] |  |  |  |  |
Deposit Paid for Acquisition of Long-term Investments [Line Items] |  |  |  |  |
Equity interest, percentage |  |  |  | 5.00% | 5.00%
Shenzhen BAK Battery Co., Ltd. [Member] |  |  |  |  |
Deposit Paid for Acquisition of Long-term Investments [Line Items] |  |  |  |  |
Equity interest, percentage |  |  |  | 5.00% | 5.00%
Equity transfer agreement, description | (i) RMB40 million (approximately $5.5 million) due prior to December 31, 2023; (ii) RMB90 million (approximately $12.4 million) due prior to September 30, 2024, and (iii) the remaining Target Equity balance of RMB130 million (approximately $17.8 million) due following SZ BAK’s successful transfer to Nanjing CBAK of the five percent (5%) equity interest in BAK SZ. Upon Nanjing CBAK having paid RMB130 million of the Target Equity, the parties shall work together to complete the registration of equity change with the local governmental authorities. |  |  |  |

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