The redesigned 18V 5.2 Li-Power battery pack offers enhanced user experience with the capacity indicator now located in the front. Every Metabo battery is engineered with multiple levels of protection to extend service life. Proprietary ULTRA-M technology allows the tool, battery, and charger to communicate with each other for optimized performance. Single Cell Protection in conjunction with Overload Protection prevents over-charge/over-discharge to the individual battery cells and extends service life of both the tool and battery pack by preventing damage from overheating. A fully charged battery pack will deliver 100% of its power in temperatures ranging from 5°F to 122°F. The battery contains integrated impact and skid resistant rubber to stand up to the toughest jobsite conditions, as well as a 4-LED capacity indicator to display the remaining charge. The patented air-cooled battery charging system charges up to 30% faster for less downtime. With its 12V, 18V and 36V (2x18V) cordless products, Metabo offers the most comprehensive range of industrial metalworking and heavy construction tools. Since 2009, the ULTRA-M cordless platform ensures 100% compatibly of 18V tools and batteries, plus all 12V and 18V batteries use the same chargers for the most compatibility and convenience. A wide range of batteries is available from compact 2.0Ah Lithium-Ion to full-size 10.0Ah based on groundbreaking LiHD technology. Featuring the latest in cell evolution, the Metabo batteries include the most advanced communication technologies between the tool, the battery, and the charger, ensuring longest tool and battery life. All Metabo cordless tools are backed by a 3-YEAR WARRANTY and offer a full 3-YEAR REPLACEMENT GUARANTEE on the battery and charger systems. Charger sold separately.