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Construction in Progress (Narrative) (Details) | 12 Months Ended
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Sep. 30, 2016 USD ($)
Construction In Progress 1 | $ 527,104
Construction In Progress 2 | $ 1,046,302

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- Definition Construction In Progress 2 + References No definition available. + Details
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Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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- Definition Construction In Progress 1 + References No definition available. + Details
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Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
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