The MILWAUKEE(R) M18(TM) REDLITHIUM(TM) HIGH OUTPUT(TM) CP3.0 Battery Pack provides 50% more power and runs 50% cooler vs M18(TM) REDLITHIUM(TM) CP battery packs. This increased performance results in the same power and runtime of a M18(TM) REDLITHIUM(TM) XC battery in a lighter and more compact package. The 18-volt battery pack delivers fade-free power and runs substantially cooler through heavy applications, allowing trade professionals to push their cordless tools throughout a wide application range. The REDLITHIUM(TM) HIGH OUTPUT(TM) CP3.0 battery is fully compatible with all 175+ Milwaukee M18(TM) solutions. | Milwaukee Tool M18 REDLITHIUM HIGH OUTPUT CP3.0 Battery 2-Pack