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Lease (Details Textual)	12 Months Ended
	Dec. 31, 2020 USD ($)
Lease (Textual)
Maturity date	Aug. 09, 2064
Vehicle sale net of cost recognized in other income (expense)	$ (410,774)
Interest income from vehicle leasing	$ 13,106

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- References

No definition available.

+ Details

Name:	cbat_LeaseTextualAbstract
Namespace Prefix:	cbat_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Vehicle sale net of cost recognized in other income (expense).

+ References

No definition available.

+ Details

Name:	cbat_VehicleSaleNetOfCostRecognizedInOtherIncomeExpense
Namespace Prefix:	cbat_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Definition

Amount of interest income earned from interest bearing assets classified as other.

+ References

No definition available.

+ Details

Name:	us-gaap_InterestIncomeOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Definition

Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration