Concentrations and Credit Risk (Details 2) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018		Jun. 30, 2019	Jun. 30, 2018
Sales of finished goods	$ 4,270,936	$ 6,050,302		$ 9,442,611	$ 9,363,099
BAK Tianjin [Member]
Purchase of inventories
Sales of finished goods		17,457			27,537
Shenzhen BAK [Member]
Purchase of inventories	65,102	111,548		65,102	111,548
Sales of finished goods	685,211			769,052		[1]
Zhengzhou BAK Battery Co., Ltd [Member]
Purchase of inventories		2,116,111	[1]		2,116,111	[1]
Sales of finished goods

[1] Mr. Xiangqian Li, the former CEO, is a director of this company.