The Lincoln Industrial 1884 PowerLuber is a high-performance 20-volt lithium-ion grease gun designed for heavy-duty applications. 20V Li-Ion PowerLuber grease gun. The PowerLuber 20V Li-Ion Grease Gun can also be referred to as a cordless grease gun, battery-powered grease applicator, high-pressure grease tool, industrial lubrication gun, and automotive grease dispenser.