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Loss Per Share (Details Textual) - Restricted shares granted on June 30, 2015 [Member] - shares | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Vested restricted shares granted | 5,834 | 57,832
Unvested restricted shares | 1,505,833 | 84,830

X
- Definition Unvested restricted shares. + References No definition available. + Details
Name: | cbat_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsUnvestedAndExpectedToUnvestOutstandingNumber1
Namespace Prefix: | cbat_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Vested restricted shares granted. + References No definition available. + Details
Name: | cbat_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber1
Namespace Prefix: | cbat_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=cbat_RestrictedSharesGrantedOnJuneThreeZeroTwoZeroOneFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |