Milwaukee M18 REDLITHIUM CP3.0 18 volt 3 Ah Lithium-Ion High Output Battery Pack 2 pc.The MILWAUKEE M18 REDLITHIUM HIGH OUTPUT CP3. Battery Pack provides 5% more power and runs 5% cooler vs M18 REDLITHIUM CP battery packs. This increased performance results in the same power and runtime of a 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 trade professionals to push their cordless tools throughout a wide