The CHAPIN wide mouth battery-powered backpack sprayer features a 20 V Black & Decker® Lithium-Ion battery with a battery charger. Enjoy 1.75 hrs of continuous spraying, that's up to 50 gal. Offers 35 to 40 psi with a 20 ft maximum horizontal spray stream and up to 27 ft vertical spray stream, 6 in wide mouth funnel for easy filling and cleaning with a carrying handle built right into the cap. This sprayer weighs 39% less than competitive units. Santoprene seals in the pump offer maximum chemical resistance. Cushion grip shut-off with built-in, serviceable filter to assure that no debris can clog the nozzle tip. Deluxe padded straps offer comfort for prolonged use. Durable and long-lasting with regular cleaning.