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v3.21.1

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

X
- 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

X
- 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

X
- 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