Battery kit for E-Bike Conversion, R2-4813H, 2A charger 48V 13Ah 624Wh [Silver/Black]Specification: Rear Carrier rack, Battery and rear light kit Suitable for the following bike type models Battery conversion fits conversion kits for bikes with eyelets mounts for a rear rack Package Includes: 1x Rear Rack 1x Rear Light 1x Battery 1x Fitting kit 1x Keys 1x Bungy Model BKR24813HSB Voltage (nominal) 48V capacity 13Ah energy 624Wh theoretical range with usual usage 60 80km cell NCM18650 internal resistance 200m?? Minimum capacity 12. 5Ah