With a hammer drill with battery, you have all the freedom to perform heavy drill jobs everywhere. You can make holes in hard rock and concrete with a cordless drill hammer, without having to worry about a nearby power socket or being obstructed by awkward extension cords. Thanks to the operation on battery, working in difficult corners is no problem, because you're not hindered by a power cable. In addition, you can quickly take a cordless drill from job to job and use it throughout the workshop.