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v3.21.2

Trade Accounts and Bills Payable (Details) | 6 Months Ended
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Jun. 30, 2021
Minimum [Member] |
Trade Accounts and Bills Payable (Details) [Line Items] |
Bills payable maturity period | 3 months
Maximum [Member] |
Trade Accounts and Bills Payable (Details) [Line Items] |
Bills payable maturity period | 1 year

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

X
- 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

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |