Cordless Transfer Pump, Battery Platform M18, Battery Capacity Not Applicable, Maximum Flow Rate 8 gpm, Flow Rate @ Head 7.5 gpm @ 1 ft of head, 7.5 gpm @ 5 ft of head, Maximum Head 75 ft of head, Inlet Size 3/4 in, Inlet Type GHT, Voltage 18 V, Power Source Cordless, Compatible Battery Grainger Part Number 2PYZ8, 2XKZ3, 35GJ99, 38D761, 38D762, 38D765, 38D766, 38XJ02, 38XJ03, 45KM67, 45LD78, Compatible Fluid Type Water, Cordless Tool Kit Contents Bare Tool, Horsepower 1/4 hp