The MX FUEL(TM) REDLITHIUM(TM) FORGE(TM) XC8.0 battery pack delivers up to 33% more runtime in a lighter weight design, has COOL-CYCLE(TM) capability for high-speed cooling, and the longest life versus REDLITHIUM(TM) batteries. REDLITHIUM(TM) FORGE(TM) is Milwaukee's most powerful, fastest charging, and longest-life battery. With 33% more runtime and a lighter weight design versus MX FUEL(TM) REDLITHIUM(TM) XC406 (XC6.0), the battery allows you to run your equipment longer without sacrificing your ergonomic experience. When paired with the MX FUEL(TM) Super Charger this battery charges in just 45 minutes to 100%, getting you back to work faster than ever before. The MX FUEL(TM) REDLITHIUM(TM) FORGE(TM) XC8.0 is COOL-CYCLE(TM) capable. COOL-CYCLE(TM) Active Cooling System provides high-speed cooling for less downtime. The active cooling feature works with MX FUEL(TM) batteries that have COOL-CYCLE(TM) capability. This battery pack delivers the longest life for the most recharges and the best performance over the life of the pack. The XC8.0 has the best protection from jobsite, weather, and environmental conditions. With ONE-KEY(TM), track, manage and secure equipment from your mobile device or computer using the industry's largest Bluetooth(R) community tracking network. If ever lost or stolen, prevent tampering with remote lockout capability. REDLINK(TM) Intelligence allows the battery to communicate with MX FUEL(TM) equipment in application to optimize performance. This battery is fully compatible with all MX FUEL(TM) equipment and chargers. | Milwaukee Tool M12 TOP-OFF Power Supply and Charger 48-59-1211