The bosch psr18li 2 drilldriver has exceptional functionality thanks to its lithium ion technology which means that there is no self discharge or unwanted memory effect even more performance is provided by the intelligent bosch syneon chip which enables a longer runtime per battery chargethis drilldriver is also equipped with the innovative electronic ldquobosch powercontrolrdquo torque preselection function with integrated gear change the two speed high performance planetary gearbox g