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.