KEY FEATURES EASY – Compatible With Fertilizers, Weed Killers, and others RECHARGEABLE – With Lithium-Ion Power, Enjoy Up To 24 Gallons Of Spraying Power on a Single Charge. SAFETY – Now Includes a Pressure Relief Valve on Every Pump. HIGH QUALITY – Pump Zero Products Feature High Quality and Chemical Resistant Viton Seals. Rechargeable Head Unit Only Pump Zero Technology lithium-ion powered head with AC charge included Rechargeable pump sprays up to 12 full tanks per charge!