M12 Cordless LITHIUM-ION Grease Gun Kit. Get up to 25% more pressure, best-in-class runtime, and compatibility with tools for drilling, fastening, lighting and cutting. The M12 Cordless Lithium-Ion Grease Gun delivers the highest max operating pressure in its class to help you handle heavy-duty applications and eliminate downtime. It?s capable of delivering more than 8,000 PSI max operating pressure for heavy machinery, cold weather applications and clogged grease fittings. The M12 REDLITHIUMTM Battery lets you dispense up to seven grease cartridges per charge and is compatible with a variety of Milwaukee tools for greater workplace versatility. A lightweight, ergonomic handle offers greater comfort during prolonged use, and an onboard hose storage and shoulder strap loop offer convenience with less mess. The kit comes with one 12-volt extended capacity battery, a 60-minute charger, 36″ flex hose with spring guard and grease coupler and a carrying case.