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

X

- Definition

Construction In Progress 2

+ References

No definition available.

+ Details

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X

- Definition

Construction In Progress 1

+ References

No definition available.

+ Details

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Namespace Prefix:	cbak_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration