Milwaukee M18 HB8 18v HIGH OUTPUT 8.0Ah Li-Ion Battery  The new M18 8.0Ah HIGH OUTPUT battery pack provides up to 50% more power vs M18 REDLITHIUM battery packs. FEATURES Patented REDLINK™ intelligence protects the pack from tough jobsite 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 in the range SPECIFICATION Article Number: 4932471070 Battery Pack Capacity: 8.0Ah Battery Type: Li-Ion Charge Time With M12-18 FC Charger: 87 minutes Weight: 1.1kg Voltage: 18v