The LuMax RoboLuber, No.LX-1182, is a 20V Li-ion, cordless grease gun. It has a high volume/high pressure switch for everyday greasing situations or tackling the occasional blocked fitting. It can generate up to 10,000 psi, and has a built-in pressure relief valve to save wear and tear on unit and battery, if 10,000 psi is exceeded. The grease gun can pump more than six cartridges of grease per battery and has a LED light built into the handle, to help illuminate hidden fittings. It comes with two batteries, a 110V charger, 30” ultra-flex high pressure hose and a carrying case.