Features The battery charger refers to the 220V power of the mains which is converted to 12V 24V by the charger to help the battery charge It adopts constant current charging constant voltage charging equalizing charging and floating charging four stage charging mode High charging efficiency simple operation lightweight and small size Widely used for charging lead acid batteries Technical Parameters Rated input voltage AC120V 250V Rated operating frequency 50HZ Charging current 12V 5A 10A 20A optiona 24V 5A 10A optional Repair mode one click repair mode Battery type GEL AGM optional Full load conversion efficiency 93 3 12V 24V intelligent identification Full MCU intelligent control care for your battery Rechargeable battery capacity 20AH What s in the box 1x 50A Battery Charger 12V 24V