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Segment Reporting (Details) - Schedule of each reportable segment’s revenue and income - USD ($)
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Battery cells and packs segment [Member]      
Segment Reporting Information [Line Items]      
Revenues from external customers $ 3,148,156 $ 1,253,569 $ 550,381
Depreciation and amortization (2,318)    
Segment income (loss) before tax $ 251,732 $ 1,119,568 $ 105,045
Segment gross profit margin 15.00% 96.00% 16.00%
Rental segment [Member]      
Segment Reporting Information [Line Items]      
Revenues from external customers $ 1,595,226 $ 3,823,058 $ 2,641,179
Depreciation and amortization (933,176) (940,434) (598,498)
Segment income (loss) before tax $ (76,292) $ 1,612,434 $ 1,390,232
Segment gross profit margin 15.00% 52.00% 54.00%
Total segments [Member]      
Segment Reporting Information [Line Items]      
Revenues from external customers $ 15,908,672 $ 5,180,707 $ 3,191,560
Depreciation and amortization (1,018,390) (940,858) (598,498)
Segment income (loss) before tax $ 344,892 $ 2,764,996 $ 1,495,277
Segment gross profit margin 11.00% 61.00% 48.00%
Consolidated [Member]      
Segment Reporting Information [Line Items]      
Revenues from external customers $ 16,838,508 $ 5,194,259 $ 3,191,560
Depreciation and amortization (1,018,856) (944,036) (599,045)
Segment income (loss) before tax $ 374,070 $ 2,653,497 $ 1,123,677
Segment gross profit margin 11.00% 61.00% 48.00%
Unallocated [Member]      
Segment Reporting Information [Line Items]      
Revenues from external customers $ 929,836 $ 13,552  
Depreciation and amortization (466) (3,178) $ (547)
Segment income (loss) before tax $ 29,178 $ (111,499) $ (371,600)
Segment gross profit margin 10.00% 39.00%  
E-bicycle sales segment [Member]      
Segment Reporting Information [Line Items]      
Revenues from external customers $ 11,165,290 $ 104,080  
Depreciation and amortization (82,896) (424)  
Segment income (loss) before tax $ 169,452 $ 32,994  
Segment gross profit margin 9.00% (2.00%)