Schedule of Trade Payable To a Former Subsidiary (Details)	6 Months Ended
Jun. 30, 2018 USD ($)
Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 1	$ 282,682
Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 2	241,691
Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 3	22,020,039
Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 4	15,479,515
Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 5	22,302,721
Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 6	$ 15,721,206

Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 4

No definition available.

Name:	cbak_ScheduleOfTradePayableToAFormerSubsidiaryZeroFourZeroTwoFiveZeroDwbZgDxCcbtz
Namespace Prefix:	cbak_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 2

No definition available.

Name:	cbak_ScheduleOfTradePayableToAFormerSubsidiaryZeroFourZeroTwoFiveZeroFiveSevenOneThreeOneQOnemyTwowp
Namespace Prefix:	cbak_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 3

No definition available.

Name:	cbak_ScheduleOfTradePayableToAFormerSubsidiaryZeroFourZeroTwoFiveZeroPsTDNTwHBsnFour
Namespace Prefix:	cbak_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 1

No definition available.

Name:	cbak_ScheduleOfTradePayableToAFormerSubsidiaryZeroFourZeroTwoFiveZeroSevenXPBlxTwoLxbOneF
Namespace Prefix:	cbak_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 5

No definition available.

Name:	cbak_ScheduleOfTradePayableToAFormerSubsidiaryZeroFourZeroTwoFiveZeroTTdtSevenXKTwoTVVQ
Namespace Prefix:	cbak_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

Payables To Former Subsidiaries Schedule Of Trade Payable To A Former Subsidiary 6

No definition available.

Name:	cbak_ScheduleOfTradePayableToAFormerSubsidiaryZeroFourZeroTwoFiveZeroZwbEightFourWKEightSixmCr
Namespace Prefix:	cbak_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration