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SCHEDULE OF CUSTOMER ACCOUNTED FOR MORE THAN 10% OF THE COMPANY'S TOTAL TRADE ACCOUNTS RECEIVABLE (Details) (USD $) | 12 Months Ended
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Sep. 30, 2013
Significant Concentrations Schedule Of Customer Accounted For More Than 10% Of The Company's Total Trade Accounts Receivable 1 | $ 21,269,794
Significant Concentrations Schedule Of Customer Accounted For More Than 10% Of The Company's Total Trade Accounts Receivable 2 | 11.40%

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- Definition Significant Concentrations Schedule Of Customer Accounted For More Than 10% Of The Company's Total Trade Accounts Receivable 1 + References No definition available. + Details
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Namespace Prefix: | cbak_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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- Definition Significant Concentrations Schedule Of Customer Accounted For More Than 10% Of The Company's Total Trade Accounts Receivable 2 + References No definition available. + Details
Name: | cbak_ScheduleOfCustomerAccountedForMoreThanOneZeroOfTheCompanyapossTotalTradeAccountsReceivableZeroOneNineFiveNineTwoFourZeroFiveWFkVCtccMTxR
Namespace Prefix: | cbak_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration