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Inventories (Narrative) (Details) | 12 Months Ended
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Sep. 30, 2015 USD ($)
Inventories 1 | $ 8,752,543
Inventories 2 | $ 221,172

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- Definition Inventories 2 + References No definition available. + Details
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Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
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