Our M12 REDLITHIUM HIGH OUTPUT CP2.5 Battery Pack delivers 25% more power and runs 25% cooler vs our other M12 REDLITHIUM CP battery packs. This increased performance of the lithium-ion battery gives you the same power and runtime of an M12 REDLITHIUM XC battery in a lighter and more compact package. The 12-volt battery pack delivers fade-free power and runs substantially cooler through demanding applications, allowing you to push your cordless power tools throughout a wide range of applications. Its compact, lightweight design allows you to work in tight workspaces and reduces fatigue. Each battery pack is durably built for heavy-duty use, runs cooler and performs in climates below 0°F/-18°C. In addition, the M12 REDLITHIUM HIGH OUTPUT CP2.5 is built with a resistant housing, providing increased protection against exposure to common oils, greases, and solvents found in automotive and manufacturing environments. Our M12 REDLITHIUM HIGH OUTPUT CP2.5 is fully compatible with 125+ M12 solutions. REDLINK Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery and charger Best-in-class construction: resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents All-weather performance: delivers fade free power in extreme jobsite conditions Versatility: Powers more than 125+ Milwaukee cordless power tools 2-year warranty Includes: (1) 48-11-2425 M12 REDLITHIUM HIGH OUTPUT CP2.5 Battery Pack