The psb 18 li 2 cordless 2 speed combi drill is a compact and powerful tool thanks in no small part to its low weight of just 15 kg this combi drill is equipped with an 18 v lithium ion battery and 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 sp