Our M18 REDLITHIUM HIGH OUTPUT CP3.0 Battery 2-Pack 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-volt 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.