Battery Backup Sump Pump Pump Voltage 12V DC Amps @ 10 ft of Head 7 A Switch Actuation Vertical Float Flow Rate @ 10 ft of Head 36 gpm Pump Body Material Cast Iron Alarm Output Audible HP 1/3 hp Charger Input Voltage 120V AC Charger Output Voltage 12 Charger Hz 60 Required Battery Battery Sold Separately Max Head 20 ft Impeller Material Thermoplastic Shaft Seal Material - Pumps Carbon Ceramic On Point Adjustable Off Point Adjustable Min Sump Pit Dia 18 in