rechargeable li ion electric down tube battery 48v 12.8ah 14ah 52v with 18650 samsung panasonic cells 36v 19.2ah 21ah for 350w 500w 750w 100

place of origin:guangdong, china
product name:ebike battery pack ce/msds/un38.3 voltage:36v/48v
capacity:10.4ah-21ah
cycle life:800-1000 times
weight:5-5.5kg size:360*131.6*81.6mm (l*w*h)
material:abs case
color:black white black case, contains battery, one charger, one base, 2 keys.syi