This 500W / 750W conversion kit is suitable for tricycle / rickshaw / three-wheeled bike 500W max load capacity: 350KG 750W max load capacity: 500KG Read more Packaging includes 1x 500W / 750W Brushless geared motor 1x Motor controller 1x #420 Chain 1x Chain wheel (38 tooth) 1x No teeth freewheel 1x Freewheel adapter 1x Throttle (with key switch & voltage indicator) 1x LED headlight 1x Light switch 1x Brake lever Read more Is the kit include batteries? The kit includes all the parts you need except batteries to convert the tricycle into electric tricycle. You need to buy the batteries by yourself. This kit without battery and battery charger. All the buyers should have experience to install it. If not, please seek professional staff help. Read more