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v3.21.2

Concentrations and Credit Risk (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jul. 20, 2021 | Jun. 30, 2021 | Jun. 30, 2021
Concentrations and Credit Risk (Details) [Line Items] |  |  |
| 60.00% |  | 10.00%
Zhengzhou BAK Battery Co., Ltd [Member] |  |  |
Concentrations and Credit Risk (Details) [Line Items] |  |  |
Repaid amount |  |  | $ 1,240,814
Zhengzhou BAK Electronics Co., Ltd. [Member] |  |  |
Concentrations and Credit Risk (Details) [Line Items] |  |  |
Repaid amount |  |  | 46,450
Zhengzhou BAK New Energy Technology Co Ltd [Member] |  |  |
Concentrations and Credit Risk (Details) [Line Items] |  |  |
Repaid amount |  | $ 32,515 | $ 32,515

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represent the concentration percentage derived from the division. + References No definition available. + Details
Name: | cbat_ConcentrationRiskThresholdPercentage
Namespace Prefix: | cbat_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | cbat_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | cbat_RepaidAmount
Namespace Prefix: | cbat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=cbat_ZhengzhouBAKBatteryCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |