Features:
Brand new and high quality.
Built in safety recharging system which won't damage your bike's battery.
LED indicator light shows when charger is working.
Material: Plastic
Input: 110-240V,AC,50/60Hz,
Output: 48V  Output power: DC 54.6V
Output current: 2A
Battery type: 13S Li-ion battery pack                    
Weight: 0.35kg±10g                                                      
DC plug: DC5.5*2.1mm
Note: please make sure the polarity connects correct.