Lightweight construction, ergonomic design, and optional carrying strap make lubrication easy. Equipped with chrome-plated barrel, patented automatic universal follower, 3' ultra-flexible hose with grease coupler, air bleeder valve, high-flow check valve, and 3-way loading (bulk, 14 oz. cartridge, or suction). Delivers 5 oz/minimum at 1000 psi (pounds per square inch) flow rate. Develops up to 10,000 psi. (1) fully charged battery delivers up to 10 cartridges of grease. Includes 2 batteries.