Milwaukee M18 REDLITHIUM™ HIGH OUTPUT™ HD12.0 Battery Pack w/ Rapid Charger delivers 50% more power and operates 50% cooler d to the M18™ REDLITHIUM™ HD9.0 battery packs. This significant boost in power enhances the performance of the entire M18™ system and drives the next breakthrough in M18 FUEL™, matching the power of a 15A corded product. It provides fade- power and runs substantially cooler during heavy applications, allowing tradesmen to push their cordless tools harder and longer than ever before. Featuring REDLINK™ Intelligence, it ensures optimized performance and overload protection through total system communication between the tool, battery, and charger. The battery pack boasts -in-class construction for long-lasting durability and superior protection against tough jobsite conditions. An onboard fuel gauge displays the remaining run-time, and its versatility powers more than 150 M18™ cordless solutions, making it an essential component for professionals seeking reliable and powerful cordless tools. Model Number: 48-59-1200