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Consolidated Statements of Cash Flows (Parenthetical) (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012
Cash disposed of on subsidiary | $ 980,006 | $ 0

X
- Definition Cash disposed of on subsidiary + References No definition available. + Details
Name: | cbak_CashDisposedOfOnSubsidiary
Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration