Provides up to 50% more power vs M18T REDLITHIUMT battery packs. Patented REDLINKT intelligence protects the pack from tough jobsite conditions to ensure optimum performance. Runs up to 50% cooler than other M18T REDLITHIUMT 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 M18T tools in the range. 1 x 18v HIGH OUTPUT 5.5Ah Battery. Battery Pack Capacity: 5.5Ah. Charge Time With M12-18 FC Charger: 60 minutes. Images for illustrative purposes only - please refer to description and specification for full details of product.