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Construction in Progress (Tables) | 9 Months Ended
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Jun. 30, 2016
Schedule of Construction in Progress [Table Text Block] |
|  |  | September 30, |  |  | June 30, |
|  |  | 2015 |  |  | 2016 |
| Construction in progress | $ | 13,009,922 |  | $ | 27,034,230 |
| Prepayment for acquisition of property, plant and equipment |  | 29,451 |  |  | 244,534 |
| Carrying amount | $ | 13,039,373 |  | $ | 27,278,764 |

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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