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Pledged deposits | 12 Months Ended
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Dec. 31, 2022
Pledged Deposits Abstract |
Pledged deposits | 3. Pledged deposits Pledged deposits as of December 31, 2021 and 2022 consisted pledged deposits with banks for bills payable (note 14).

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- References No definition available. + Details
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Namespace Prefix: | cbat_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The entire disclosue for pledged deposits. + References No definition available. + Details
Name: | cbat_PledgedDepositsTextBlock
Namespace Prefix: | cbat_
Data Type: | dtr:textBlockItemType
Balance Type: | na
Period Type: | duration