DEWALT 20V Li-on Backpack Sprayer comes equipped with the 20V battery and charger. At full charge it can spray up to 50 gallons. The spray comes with new VARIFLO technology, allowing the user to set the flow rate at 10 different settings, from light to heavy continuous spraying. Suitable for variety of farm and commercial applications, it is built with full back padding and harness for comfort, 6 nozzles for different spray patterns, and designed for pros and heavy users. | DEWALT 20 Volt Li-on Backpack Sprayer