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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