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Intangible Assets, net (Narrative) (Details) | 12 Months Ended
--- | ---
Sep. 30, 2016 USD ($)
Intangible Assets, Net 1 | $ 1,191
Intangible Assets, Net 2 | $ 2,723

X
- Definition Intangible Assets, Net 2 + References No definition available. + Details
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Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Intangible Assets, Net 1 + References No definition available. + Details
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Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration