SCHEDULE OF CUSTOMER ACCOUNTED FOR MORE THAN 10% OF THE COMPANY'S TOTAL TRADE ACCOUNTS RECEIVABLE (Details) (USD $)	3 Months Ended
Dec. 31, 2012
Significant Concentrations Schedule Of Customer Accounted For More Than 10% Of The Company's Total Trade Accounts Receivable 1	$ 12,159,409
Significant Concentrations Schedule Of Customer Accounted For More Than 10% Of The Company's Total Trade Accounts Receivable 2	10.60%
Significant Concentrations Schedule Of Customer Accounted For More Than 10% Of The Company's Total Trade Accounts Receivable 3	$ 16,745,642
Significant Concentrations Schedule Of Customer Accounted For More Than 10% Of The Company's Total Trade Accounts Receivable 4	16.81%

Significant Concentrations Schedule Of Customer Accounted For More Than 10% Of The Company's Total Trade Accounts Receivable 2

No definition available.

Name:	cbak_ScheduleOfCustomerAccountedForMoreThanOneZeroOfTheCompanyapossTotalTradeAccountsReceivableZeroOneOneFiveSevenOneFiveNineOneLrfkTwoqvChFourTThree
Namespace Prefix:	cbak_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration