The Dewalt 20V MAX Lithium Ion Grease Gun, No. DCGG571M1, can be used on up to 16 cartridges per charge with a single battery. The motor delivers 10,000 max psi to help unclog grease fittings. The grease gun's high-volume pump can be used on high-flow applications up to 5 oz per minute and the variable-speed trigger offers precise control of the grease flow. The DCGG571M1 has a 42" extra-long and flexible hose designed for reaching hard-to-access grease fittings, an LED to help locate fittings in low-light situations and a pump filter screen, which prevents dirt and contamination from clogging the pump mechanism. This grease gun comes with a warranty package that includes a three-year limited warranty, a one-year free service contract and a 90-day money back guarantee. The DCGG571M1 Includes the 20V Max XR Premium Li-Ion Battery (4.0 Ah), a fast charger, shoulder strap and kit box.