The PSB 18 LI-2 is an 18V combi drill by Bosch DIY. It is equipped with an 18 V lithium-ion battery & the intelligent Bosch Syneon Chip. The lithium-ion technology means that the drill is always ready to use, as the battery does not experience any memory effect or self-discharge. The Syneon Chip enables the tool to provide more runtime per battery charge. Bosch has also furnished this cordless 2-speed combi drill with a high-performance 2-speed planetary gearbox – perfect for powerful screwdriving & drilling applications, as well as impact drilling.