By Heather Burlingame, Senior Production Editor | September 28, 2010

AlemiteThe 14.4-volt battery-powered Model 585 grease gun can develop 10,000 psi for lubrication of clogged fittings. One fully charged battery in the 585 can deliver up to 10 cartridges of grease. The motor is equipped with a thermal protector and has optimized airflow to extend motor life. The gun comes with a flexible 3-foot-long hose and a one-year warranty.