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Construction in Progress (Tables) | 6 Months Ended
--- | ---
Mar. 31, 2016
Schedule of Construction in Progress [Table Text Block] |
|  | September 30, |  |  | March 31, |
|  | 2015 |  |  | 2016 |
Construction in progress | $ | 13,009,922 |  | $ | 16,242,021 |
Prepayment for acquisition of property, plant and equipment |  | 29,451 |  |  | 2,509,335 |
Carrying amount | $ | 13,039,373 |  | $ | 18,751,356 |

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- Definition Schedule of Construction in Progress + References No definition available. + Details
Name: | cbak_ScheduleOfConstructionInProgressTableTextBlock
Namespace Prefix: | cbak_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration