This 3.0Ah battery from Milwaukee is compatible with all tools in the M18 range, offering high output for professional jobs The Milwaukee HB3 is a 3.0Ah REDLITHIUM Battery that is compatible with all tools in the M18 range. It provides up to 50% more power than the standard M18 REDLITHIUM battery packs, offering a power output similar to that of a corded machine. The on-board battery fuel gauge helps the user to maximise battery run-time efficiency and individual cell monitoring ensures optimal charge and discharge for long life. Features: This new M18 3.0Ah HIGH OUTPUT battery pack provides up to 50% more power vs the standard M18 REDLITHIUM battery packs Patented REDLINK intelligence protects the pack from tough job site conditions to ensure optimum performance Runs up to 50% cooler than other M18 REDLITHIUM battery packs through heavy applications, allowing tradesmen to push their cordless tools harder and longer than ever before Drives complete corded replacement on the job site with more run time than ever before Durable metal frame battery construction with shock responsive separators prevents pack failure from excessive vibrations or drops On-board battery fuel gauge helps the user to maximise battery run-time efficiency Individual cell monitoring ensures optimal charge and discharge for maximum life Compatible with all M18 tools Specification: Voltage: 18V Battery pack capacity: 3.0Ah Charge time M12 18 AC charger: 75 min Charge time M12 18 C charger: 65 min Charge time M12 18 FC charger: 36 min