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v2.4.1.9

Deferred Revenue (Narrative) (Details) | 12 Months Ended
--- | ---
Sep. 30, 2014 USD ($) Y | Sep. 30, 2014 CNY
Deferred Revenue 1 | $ 9,200,000 cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveTyZvGBhVhrsp |
Deferred Revenue 2 |  | 56,000,000 cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveWzTThreeTMQSixPcThreeM
Deferred Revenue 3 | 35 cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveFourZeroTSixFourKMOneCKSZero | 35 cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveFourZeroTSixFourKMOneCKSZero
Deferred Revenue 4 | 7,560,386 cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFivehSevencgTwogmSevenkwNines |
Deferred Revenue 5 | 346,509 cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveFiveVNineZeroSixhTttgJp |
Deferred Revenue 6 | 7,520,000 cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveXFVHVvFivewLVSixl |
Deferred Revenue 7 |  | 46,150,000 cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFivevxMKHRZeroyRRThreeB

X
- Definition Deferred Revenue 5 + References No definition available. + Details
Name: | cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveFiveVNineZeroSixhTttgJp
Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred Revenue 3 + References No definition available. + Details
Name: | cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveFourZeroTSixFourKMOneCKSZero
Namespace Prefix: | cbak_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred Revenue 4 + References No definition available. + Details
Name: | cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFivehSevencgTwogmSevenkwNines
Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred Revenue 1 + References No definition available. + Details
Name: | cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveTyZvGBhVhrsp
Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred Revenue 7 + References No definition available. + Details
Name: | cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFivevxMKHRZeroyRRThreeB
Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred Revenue 2 + References No definition available. + Details
Name: | cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveWzTThreeTMQSixPcThreeM
Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred Revenue 6 + References No definition available. + Details
Name: | cbak_DeferredRevenueZeroTwoSixFiveZeroThreeOneThreeFiveXFVHVvFivewLVSixl
Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration