New In Unopened Box. DeWalt Cordless Grease Gun is designed with a powerful motor that delivers 10,000 max PSI to power through clogged grease fittings. The high-volume pump pushes up to 5.0 Oz. per minute of high-flow applications. Features : Variable speed trigger office precise control of the grease flow . Up to 16 cartridges per charge with a single 20 -volt Max battery 4.0 ah. Bright LED light assist in locating hard to see grease fittings in low-light situations. Air-bleeder valve assists in pump priming after cartridge changes. Innovative pump filter screen prevents dirt and contamination from clogging the pump mechanism. 42 in, extra-long and flexible hose designed for reaching hard to access grease fittings. Includes: a 20 volt Max XR premium lithium-ion battery 4.0 ah, fast charger, shoulder strap and kit box.