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: 72V   Output power: DC 84V
Output current: 5A
Battery type: 20S Li-ion battery pack                    
Weight:  1kg±10g                                                    
DC plug: DC5.5*2.1mm or 3P Type.
Note: please make sure the polarity connects correct.