... charger E-power Tool Battery Charger:Plastic Housing Battery Charger For Electric Bike/Scooter/Medical Equipment.High frequency, switching mode battery charger ... : constant current(CC), constant voltage(CV), cut-off or float (for Lead acid)2.Short-circuit protection: charger o/p current ... connected, change DC fuse or remove the fault. Output Voltage and Current: 12V/4A, 24V/2A, 36V/1.3A, 48V/1A ...