This quality 13S li ion battery charger 48V 2.5A works well with ebikes, scooters providing fast and accurate charging. The 48V li ion battery charger automatically detects the battery cell, cuts off when the battery charging cycle is complete. The li ion charger 48V 2.5A is UL/cUL1012 approved for safe charging. Factory directly sales make the 48V lithium ion battery charger ideal for electric bicycle manufacturer and distributors.