The Metabo 12V PowerMaxx 2.0Ah ULTRA-M Li-Ion battery is packed with the highest quality battery cells and the most advanced technology. Metabo batteries feature electronic monitoring on each individual cell for increased protection and maximum battery durability, while an LED charge capacity indicator shows the charge at the touch of a button. The Metabo AIR-COOLED Charging system (charger sold separately) charges up to 30% faster for less down time and protects the battery cells for significantly increased battery life. With its 12V, 18V and 36V cordless products, Metabo offers the most comprehensive range of industrial and heavy construction tools. Since 2009, the Ultra-M cordless platform ensures 100% compatibly of tools and batteries, plus all 12V, 18V, and 36V 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 8.0Ah 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.