Source google image: http://g01.a.alicdn.com/kf/HTB13TVlIXXXXXbqXVXXq6xXFXXXb/48V-20AH-lifepo4-battery-with-48v-font-b-500w-b-font-font-b-electric-b-font.jpg
Kit velo electrique 500w
Source google image: http://g01.a.alicdn.com/kf/HTB13TVlIXXXXXbqXVXXq6xXFXXXb/48V-20AH-lifepo4-battery-with-48v-font-b-500w-b-font-font-b-electric-b-font.jpg