Output : 42V 2A. When charging, first connector to the battery, then connect to AC; after full, cut off AC, then pull the battery plug.
42V 2A Charger for 36V Li-ion Battery eBike Scooter | Electric Bike Power Supply
36V 30Ah 10S2P E-Bike Battery Lithium-Ion Battery For Electric Bicycles, Including 42V 2A Charger, Replacement Lithium Battery For Electric Scooters(XT60+DC)