This 36V 48V 52V 3A Lithium Battery Charger Electric Bike w/ built-in cooling fan XLR is a 100% original product ideal for 36V/48V/52V Hailong ebike batteries or other battery packs. It has an XLR interface and an output current of 3A. It is certified FCC and RoHS and is equipped with an intelligent charging system. It also comes with a built-in cooling fan for efficient operation.