The lightweight 18 volt Compact battery with 2.0 Ah and COOLPACK technology1.?COOLPACK technology for up to 100% longer lifetime (cf. battery without COOLPACK)2.?Light weight for even more comfortable work, especially in overhead applications3.?Bosch flexible power system ? battery suitable for all tools in one voltage classWhy this tool?Extremely robust: fully functional even after a 3-m drop onto concreteFEATURES:?No self-discharge, no memory effect and a higher energy density thanks to Li-Ion battery technologyOptimal protection of the cells against excessive heat due to special, heat conductive housingBattery 100% compatible with all tools within its voltage class. Choose the XL battery for longest runtime or the compact battery for best handlingMetalworking ? The professional power tools for metalworking from Bosch.Construction ? The professional power tools for construction from Bosch.Woodworking ? The professional power tools for woodworking from Bosch.