M12 REDLITHIUM HIGH OUTPUTXC5.0 and CP2.5 batteries provide you with 25% more power and run 25% cooler vs standard M12 REDLITHIUM XC and CP battery packs. The increase in power elevates the performance of the entire M12 system and drives the next breakthrough in M12 FUEL. The M12 REDLITHIUM HIGH OUTPUT XC5.0 battery 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. The M12 REDLITHIUM HIGH OUTPUT CP2.5 gives you the same power and runtime of an M12 REDLITHIUM XC battery in a lighter and more compact package. 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 XC5.0 and CP2.5 batteries are built with a resistant housing, providing increased protection against exposure to common oils, greases and solvents found in automotive and manufacturing environments. Both batteries are fully compatible with all M12 tools.