Greenworks 60V 4 Gallon Lithium-Ion Battery Cordless Backpack Sprayer has 4 hours of runtime and an impressive 120 gallons of spraying with just one fully charged 2 Ah battery. Safely use extensive array of chemicals with high-density polyethylene tank housing and easily do it with a wide-mouth tank opening. No manual pumping is required; the powerful diaphragm pump and motor instantly start the job and deliver constant pressure up to 70 PSI and will spray up to an impressive distance of 20 feet. Includes 5 nozzles and features onboard storage. Built tough with a heavy-duty steel frame and overall is lightweight; only weighing in at 11.68 pounds before filling up. Easily detect how much liquid is left with the translucent tank and have full control of spraying with a hose that reaches 4 feet. The battery has a shielding compartment to protect the battery from elements and is completely secured safely from spraying while working.