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Segment Information (Tables)
12 Months Ended
Dec. 31, 2018
Segment Information Tables [Abstract]  
Schedule of net revenues from manufacture of batteries by products

     Year ended     Year ended 
     December 31, 2017   December 31, 2018 
High power lithium batteries used in:      
Electric vehicles  $55,007,370   $8,169,195 
Light electric vehicles   495,769    64,140 
Uninterruptable supplies   2,872,260    16,199,969 
Total  $58,375,399   $24,433,304 

Schedule of net revenues from manufacture of batteries by geographical areas

   Year ended   Year ended 
   December 31, 2017   December 31, 2018 
Mainland China  $57,425,420     21,292,111 
Europe   294,322    99,996 
PRC Taiwan   221,777       103,256 
Israel   363,845    990,953 
USA   -       1,833,837 
Others   70,035    113,151 
Total  $58,375,399   $24,433,304