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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