1000W Electric Motorcycle Motor Kit Use 25H Chain Drive High Speed Electric Scooter Replacement Electric Karting Conversion kit This item is a brushed motor kit for electric vehicle 1.What battery is recommended for this kit? This kit is 36V/48V, you need three/four 12V batteries, (lead acid or lithium), or one 36V/48V battery. After they are linked together, the recommended capacity >12AH, discharge current need less than 25A. 2.Does the kit include batteries? No this kit doesn't include batteries. This item include: 1. 1 x 1000W high speed Unite motor 2. 1 x Motor controller 3. 1 x Twist throttle or Wuxing thumb throttle 4. 1 x Chain wheel (55T) 5. 1 x No teeth freewheel 6. 1 x 25H chain (106 links) 7. 1 x Freewheel adapter (27mm) Motor Spec. Motor brand: UNITE motor Model: MY1020 Voltage: 36V / 48V Output: 1000W Sprocket: 11Tooth, fit #25H chain Motor controller: Connection: (parts for reference only) Twist throttle: (with key switch and battery voltage indicator) Wuxing thumb throttle: