New Two-Speed Switch design delivers high volume or high pressure to help meet your individual needs. Powerful 14.4 volt high torque motor - 7,500 PSI working output pressure, 10 oz./min. grease output at 1,000 PSI. Machined and hardened piston. Accessible check valve. Cycle indicator pin to monitor grease output. Includes two batteries and one hour smart charger Lincoln's heavy-duty 14.4-volt PowerLuber gives you the power to lubricate just about anything, anytime, anywhere. "Smart" charging system delivers reliable power. Built-in Motor overload protection helps ensure long life of gun. One-hour Smart Charger - recognizes condition of battery. All the features you need, including comfortable grip and balanced design; hook for shoulder strap; built-in hose and coupler holder; and a slim, compact carrying case.