The Metabo 18V 2.0 Ah Li-Ion Compact Battery Pack (625596000) features a revolutionary design that provides the most advanced and intelligent cordless platform for maximum performance, durability, and more run time. It features intelligent battery management and a patented Air-Cooled charging technology that optimally charges the battery pack while keeping it cool. This Battery Pack is compatible with all current and future Metabo 18V cordless tools.