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v3.21.1

Income (Loss) Per Share (Details) - shares | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Earnings Per Share [Abstract] |  |
Vested restricted shares | 288,498 | 299,332
Unvested restricted shares | 11,621,967 | 1,154,002

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

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