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Other Long-term Payables (Narrative) (Details) (CNY) In Millions, unless otherwise specified | 3 Months Ended
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Dec. 31, 2013
Other Long-term Payables 1 | 150

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- Definition Other Long-term Payables 1 + References No definition available. + Details
Name: | cbak_OtherLongtermPayablesZeroTwoZeroTwoSevenTwoFourSixFiverFiveTwoSevenZeroNEightCTThreeThreeP
Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration