48V 500W

1.What battery is recommended for this kit? This kit is 48V, you need four 12V batteries, (lead acid or lithium), or two 24V batteries.After they are linked together, the recommended capacity >20AH The kit includes: 1. 1x 500W Brushless geared motor 2. 1x Motor controller 3. 1x #420 Chain 4. 1x Chain wheel (38 tooth) 5. 1x No teeth freewheel 6. 1x Freewheel adapter 7. 1x Throttle(with key switch & voltage indicator) 8. 1x LED headlight 9. 1x Light switch 10. 1x Brake lever Note: this kit without battery and battery charger . This 500W conversion kit is suitable for tricycle / rickshaw / three-wheeled bike 500W max load capacity: 200 KG.