The MILWAUKEE® M18™ REDLITHIUM™ HIGH OUTPUT™ XC8.0 Battery Pack and the M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Battery Pack provides 50% more power and runs 50% cooler vs M18™ REDLITHIUM™ XC battery packs. The optimized combination of size and increased power provides a great solution for the entire range of M18™ products. It delivers fade free power and runs substantially cooler through heavy applications, allowing tradesmen to push their cordless tools harder and longer than ever before. The M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 and M18™ REDLITHIUM™ HIGH OUTPUT™ XC8.0 provide increased power in extreme cold weather conditions (below 0F / -18C) and deliver more work per charge, driving corded replacement on the jobsite. The REDLITHIUM™ HIGH OUTPUT™ XC6.0 battery and M18™ REDLITHIUM™ HIGH OUTPUT™ XC8.0 are fully compatible with 250+ M18™ solutions.