Microprocessor: The smart charger is controlled by a microprocessor. Automatic charging prevents the battery from overcharging. Charging efficiency is over 85%. Multifunction: Winter mode and summer mode can automatically adjust the charging voltage to the temperature, preventing the battery from overcharging or undercharging. Repair mode can restore improperly discharged batteries and vulcanized batteries. Desulfurization mode is suitable for GEL, standard and AGM batteries. Digital Display: The battery charger's LCD screen can display voltage, current, temperature, etc., allowing you to observe the battery's status while it is charging. Safety Protection: The car battery charger has reverse connection protection, short circuit protection, overload protection, overvoltage protection, overheat protection, and cooling fan cooling. 12V Charger: The charger is suitable for 6-120AH, 12V lead-acid batteries for cars, SUVs, RVs, motorcycles, motorboats, and lawnmowers. Suitable for standard 12V batteries (SLA, WET, DEEP CYCLE, EFB, Calcium), GEL, AGM, motorcycle. Do not charge lithium batteries.