The psb 18 li 2 cordless 2 speed combri drill is a compact and powerful tool weighing just 15kg the dombi drill is equipped with an 18v lithium ion battery and the intelligent bosch syneon chip the lithium ion technoloogy means the the drill is always ready to use as the battery does not experience any memory effect or self dischargethe syneon chip enables the tool to provide more runtime per battery charge bosch has also furnished this cordless 2 speed combri drill with a high performance