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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Sep. 30, 2020
Accounting Policies [Abstract]  
Schedule of estimated useful lives
    Estimated Useful Life
Equipment for rental business   2.5-5 Years
Production line for e-bicycles   5-10 Years
Furniture, fixtures and office equipment   3-5 Years
Vehicles   4-10 Years
Schedule of revenue from continuing operations
   For the years ended
September 30,		 
   2018   2019   2020 
Revenues from continuing operations:            
Sales of battery packs and e-bicycles  $550,381   $171,464   $14,313,446 
Battery cell trading   -    1,186,185    - 
Others   -    13,552    929,836 
Revenue accounted for under ASC Topic 606   550,381    1,371,201    15,243,282 
Rental of lithium battery and e-bicycles   2,641,179    3,823,058    1,595,226 
Revenue accounted for under ASC Topic 840   2,641,179    3,823,058    1,595,226 
Net revenues  $3,191,560   $5,194,259   $16,838,508