DEWALT Li-on Backpack Sprayer without battery, but is compatible with all DEWALT 20V MAX & 60V MAX Batteries. Consistent spraying at 10 different settings on Variflow dial. Output pressure range from 2 to 90 PSI. This variability, and its 6 nozzles offer pros and homeowners a wide diversity of spray options. | DEWALT 4 Gallon Battery Powered Backpack Sprayer (Tool Only)