This is the battery specification:
HAILONG-PLUS 48V 12.5AH Specification: (Include 2A Charger)
The battery pack fits 48V 250W/350W/500W/750W motor,If your motor power over 750W,we can't provide warranty for this battery
Rated capacity: 12.5AH
5P13S Li-ion 2.5Ah 65 pcs 18650 battery cells (china...