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.
Applicabel batteries: 48V 20Ah.
Input voltage: 100V-240V, 50Hz.
DCOUTPUT: 59V, 2.5A.
Output current: 2.5-3A.
Note: please make sure the polarity connects correct.