The Milwaukee M18 REDLITHIUM High Output XC8.0 Battery Pack provides 50% more power and runs 50% cooler vs. M18 REDLITHIUM XC battery packs. The optimized combination of smaller size and increased power of the 18V battery provides a great solution for the entire range of M18 products. 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 0 F / -18 C) and delivers more work per charge. The REDLITHIUM HIGH OUTPUT XC8.0 extended capacity battery is fully compatible with all Milwaukee M18 solutions.