Aventon Level 48V 14Ah 672Wh Hidden Ebike Battery 48V 52V 17.5Ah QuietKat Jeep Biktrix Juggernaut Hub Duo Classic Duo Ebike with Charger 500W 750W 1000W

1. Life expectancy is two times compare with the lead-acid batteries, weight is much lighter than the lead-acid battery. 2. No memory effective and rechargeable, the battery life is longer. Built-in IC chip will prevent battery pack over charge, over discharge, over-current,over-heat, short circuit. 3. Safer and more environmentally friendly, no heavy metals and hazardous substances, avoiding mechanical accidents caused by vibration..syi