BATTERY CHARGER 300 12V 30A.SBC Advanced Plus battery charger switching technology interface CAN BUS digital communication, digital charge-sharing system that allows you to put up to 3 parallel SBC ADV PLUS to chargebattery banks up to 2400 Ah.Charge selector for liquid or gel electrolyte batteries.Ability to usethe charger as a power supply without batteries.Variable speed cooling fan.Protection:reversepolarity (fuse through Ins.) overload, output short circuit, overheating, overvoltage output.