... & high frequency, MCU control, 12V 4A LiFePO4battery charger, max output power 60WattsRobust Aluminium Battery Charger For Electric Bike/Scooter/toolHigh frequency, switching ... constant current(CC), constant voltage(CV), cut-off or float (for Lead acid)2.Short-circuit protection: charger o/p current ... : Electric Bike/Bicycle/Scooter Output Voltage and Current Option: 12V/4A, 24V/2A, 36V/1.5A, 48V/1.2A