Replace Micargi Bali Ebike Battery 36V 48V 10.4Ah 12Ah 15Ah Rear Rack Battery for Retrospec Electric Bike with Charger 350W 500W 750W

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