AVENTON replacement spare battery pack 18650 Li-ion 48V 13Ah 624Wh for 500W 750W LEVEL bike with charger

Voltage: 48V; Capacity:13Ah ; Compitable Motor power: 48V 250W-750W; Net Weight: Approx 3.6Kg; Color: Black; Charge port: DC 5.5*2.1; Continuous working current: 25A; Peak woking current: 80A; Warranty:1 Year; Cell: 18650 3.6V 3200mAh; Assembling type: 13S4P; Cycle life: More than 800 times; Power connector: Anderson,XT-60,XT-90, or as customer's requests; If shelve a long time suggested that the battery voltage 48-49V, need for regular recharging (even if not use), must charge and discharge for three months one time