Remaining target equity balance.

No definition available.

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- Definition

Target equity.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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- Definition

Amount of payable for purchase of investment.

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Deposit Paid for Acquisition of Long-term Investments (Details) ¥ in Millions	Jun. 30, 2025 USD ($)	Jun. 30, 2025 CNY (¥)	Dec. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2024 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 CNY (¥)	Sep. 27, 2023 USD ($)	Sep. 27, 2023 CNY (¥)
Deposit Paid for Acquisition of Long-term Investments [Line Items]
Purchase cost \| $	$ 14,904,094		$ 10,871,081
Target equity				$ 12,400,000	¥ 90.0	$ 5,500,000	¥ 40.0
Remaining target equity balance				$ 17,800,000	¥ 130.0
Paid amount	$ 15,900,000	¥ 115.8
Shenzhen BAK Power Battery Co., Ltd. [Member]
Deposit Paid for Acquisition of Long-term Investments [Line Items]
Equity interest, percentage								5.00%	5.00%
Nanjing CBAK [Member]
Deposit Paid for Acquisition of Long-term Investments [Line Items]
Equity interest, percentage				5.00%	5.00%
Nanjing CBAK [Member]
Deposit Paid for Acquisition of Long-term Investments [Line Items]
Purchase cost								$ 35,700,000	¥ 260.0
Target equity \| ¥					¥ 130.0