Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Information [Abstract]

Schedule of net revenues from manufacture of batteries by products

	Three months ended March 31,
	2019		2020
High power lithium batteries used in:
Electric vehicles	$	1,214,086	$	215,118
Light electric vehicles		-		751
Uninterruptable supplies		3,957,589		6,685,405
Total	$	5,171,675	$	6,901,274

Schedule of net revenues from manufacture of batteries by geographical areas

	Three months ended March 31,
	2019		2020
Mainland China	$	4,746,726	$	6,876,789
PRC Taiwan		452		-
Israel		121,678		-
USA		223,465		-
India		79,354		24,485
Total	$	5,171,675	$	6,901,274