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Trade Accounts and Bills Payable (Details Textual)	12 Months Ended
	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