Powerful motor delivers 10,000 max psi to power through clogged grease fittings. High volume pump pushes up to 5.0 oz/min high flow applications. Up to 16 cartridges per charge with a single Dewalt 20 volt max battery (4.0 Ah). Variable speed trigger offers precise control of the grease flow. 42" extra long and flexible hose designed for reaching hard to access grease fittings. Bright LED light assists in locating hard to see grease fittings in low light situations. Innovative pump filter screen prevents dirt and contamination from clogging the pump mechanism. Integrated no-mar foot design allows operators to rest the tool on flat surfaces. Air-bleeder valve assists in pump priming after cartridge changes. Cartridge capacity 14.5 oz. Tool weight 9.5 lbs.  Kit includes: Premium Li-Ion battery (4.0 Ah), a fast charger, shoulder strap and kit box.