Our M18™ REDLITHIUM™ High Output™ CP3.0 battery 2 PK provides you with 50% more power and runs 50% cooler vs our other M18™ REDLITHIUM™ CP battery packs. This increased performance of the lithium-ion battery gives you the same power and runtime of an M18™ REDLITHIUM™ XC battery in a lighter and more compact package. The 18 V battery pack delivers fade-free power and runs substantially cooler through heavy applications, allowing you to push your cordless power tools throughout a wide range of applications. Our REDLITHIUM™ High Output™ CP3.0 battery is fully compatible with all 175+ Milwaukee® M18™ solutions.