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v3.21.1

Trade Accounts and Bills Payable (Details Textual) | 12 Months Ended
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Dec. 31, 2020
Trade Accounts and Bills Payable (Textual) |
Bills payable maturity period | 1 year

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

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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration