Milwaukee M12 12V Lithium-Ion Cordless Grease Gun Kit with One 3.0 Ah Battery, Charger and Tool Bag

Item # 288978 | Milwaukee Part # 2446-21XC | UPC Code 045242200979 | UNSPSC Code 27112906
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Product Overview

The MILWAUKEE M12 Cordless Grease Gun Kit delivers the highest max operating pressure in its class to help users handle heavy-duty applications and eliminate downtime. The M12 REDLITHIUM battery lets users dispense up to seven grease cartridges per charge, providing up to 25% more pressure and more than 8,000 PSI operating pressure for heavy machinery, cold weather applications and clogged grease fittings. The cordless grease gun has a lightweight, ergonomic handle that offers users greater comfort during prolonged use and an onboard hose storage and shoulder strap for convenience with less mess. This kit comes with one 12-volt extended capacity battery, a 60-minute charger, 36 in. flex hose with spring guard, grease coupler and carrying case.

  • Powerful 12-Volt motor: delivers more than 8,000 PSI max operating pressure
  • REDLITHIUM battery technology: superior pack construction, electronics and performance deliver more work per charge and more work over pack life than any battery on the market
  • Best-in-class runtime: dispenses up to 7 cartridges per charge
  • Integrated hose storage: adds convenience
  • Onboard fuel gauge: helps you increase productivity and avoid interruptions
  • Air bleeder valve: priming mechanism provides quick flow
  • Maximum durability: backed by a 5-year warranty
  • Compatible with all M12 batteries and chargers
  • Includes: (1) M12 cordless Lithium-Ion grease gun (tool only), (2446-20)(1) M12 Lithium-Ion battery charger (48-59-2401), (1) M12 XC high capacity REDLITHIUM battery (48-11-2402), (1) carrying case


Batteries Included
Battery Amp Hours
3 Ah
Battery Power Type
Lithium Ion
Battery Size
Certifications and Listings
cUL Listed
Cordless Tool Type
Grease Gun
Cordless/ Corded
Tool Bag
Manufacturer Warranty
5 Year Tool Warranty & 3 Year Battery Warranty
Number of Batteries Included
Power Tool Product Type
Product Depth (in.)
Product Height (in.)
Product Weight (lb.)
Product Width (in.)
Standard Color Family
Tools Product Type
Power Tool


5 Year Tool Warranty & 3 Year Battery Warranty