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Concentrations and Credit Risk (Tables)

3 Months Ended

9 Months Ended

Sep. 30, 2018

Sep. 30, 2018

SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS [Table Text Block]

		Three months ended September 30,
		2017						2018
Customer A	$	9,477,104			53.39%		$	*			*
Customer B		7,368,320			41.51%			*			*
Customer C		*			*			1,672,191			29.92%
Customer D		*			*			2,081,697			37.24%
Customer E		*			*			852,331			15.25%

		Nine months ended September 30,
		2017						2018
Customer A	$	18,132,366			65.21%		$	*			*
Customer B		7,504,870			26.99%			*			*
Customer C		*			*			5,374,871			35.95%
Customer D		*			*			2,081,697			13.92%

SCHEDULE OF ACCOUNTS RECEIVABLE BY MAJOR CUSTOMER [Table Text Block]

		December 31, 2017						September 30, 2018
Customer B	$	23,835,201			62.08%		$	6,323,630			33.05%
Customer C		*			*			3,325,111			17.38%
Customer D		*			*			2,296,768			12.00%
Customer F		4,855,518			12.65%			3,536,795			18.48%
Customer G		4,664,285			12.15%			*			*

SCHEDULE OF TRANSACTIONS WITH THE FORMER SUBSIDIARIES [Table Text Block]

		Three months ended September 30,						Nine months ended September 30,
		2017			2018			2017			2018
Purchase of inventories from
BAK Shenzhen**	$	9,248,609		$	-		$	13,527,981		$	108,718
Zhengzhou BAK Battery Co., Ltd*		-			-			-			2,062,432

Sales of finished goods to
BAK Tianjin		55,533			4,073			98,233			31,610
BAK Shenzhen**		728			-			61,525			-
Zhengzhou BAK Battery Co., Ltd*		163			-			13,811			-

Proceeds on disposal of patented proprietary technology offset against amount due to BAK Shenzhen (Note 6)**	$	-		$	13,034,583		$	-		$	13,034,583