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Pledged Deposits | 9 Months Ended
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Jun. 30, 2016
Pledged Deposits [Text Block] |
2. | Pledged Deposits
Pledged deposits as of September 30, 2015 and June 30, 2016 consisted of the following:
|  |  | September 30, |  |  | June 30, |
|  |  | 2015 |  |  | 2016 |
| Pledged deposits with bank for: |  |  |  |  |  |
| Bills payable | $ | 1,461,757 |  | $ | 1,429,210 |
| Letters of credit |  | 57,844 |  |  | 30,240 |
|  | $ | 1,519,601 |  | $ | 1,459,450 |

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- Definition Pledged Deposits [Text Block] + References No definition available. + Details
Name: | cbak_PledgedDepositsTextBlock
Namespace Prefix: | cbak_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration