M18™ REDLITHIUM™ HIGH OUTPUT™ XC8.0 Battery Pack provides 50% more power and runs 50% cooler vs M18™ REDLITHIUM™ XC battery packs. The lithium-ion battery delivers fade-free power and runs substantially cooler through heavy applications, allowing trade professionals to push their cordless tools throughout a wide application range. The M18™ XC8.0 battery provides increased power in extreme-cold weather conditions (below 0F / -18C) and delivers more work per charge, driving corded replacement.