Milwaukee M18 18 Volt Lithium-Ion Cordless REDLITHIUM HIGH OUTPUT CP3.0 BatteryCompact and efficient, Milwaukee's M18 REDLITHIUM HIGH OUTPUT CP3. 0 Battery Pack delivers 50% more power and runs 50% cooler than other M18 REDLITHIUM CP battery packs. This increased performance gives you the same power and runtime of an M18 REDLITHIUM XC battery in a lighter and more compact package that's ideal for overhead work. This 18 volt battery pack delivers fade free power and runs substantially cooler for heavy applications, allowing you