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Deferred Revenue and Other Long-term Payables (Tables) | 6 Months Ended
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Mar. 31, 2013
Schedule of Government subsidies [Table Text Block] |
|  | September 30, |  |  | March 31, |
|  | 2012 |  |  | 2013 |
Government subsidies received for:- |  |  |  |  |  |
- Automated high-power lithium battery project from the National |  |  |  |  |  |
Development and Reform Commission and Ministry of Industry and |  |  |  |  |  |
Information Technology |  |  |  |  |  |
| $ | 7,913,200 |  | $ | 8,012,759 |
- New energy innovation project from the Ministry of Finance |  |  |  |  | 9,665,571 |
- Various lithium battery related projects from various government authorities |  | 2,384,126 |  |  | 4,197,426 |
Others |  | 67,046 |  |  | - |
| $ | 10,364,372 |  | $ | 21,875,756 |

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- Definition Schedule of Government subsidies + References No definition available. + Details
Name: | cbak_ScheduleOfGovernmentSubsidiesTableTextBlock
Namespace Prefix: | cbak_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration