To operate The basic idea many tools with a battery type, found in the Uneo-Borhammer successful enlargement. The hammer drill is ideal for drilling holes in concrete, screed, sand-lime brick and completed its task in the domestic context to 100%. The only shortcoming: The standard SDS drill not fit, so you also need for this machine suitable drill. Since this was known but in advance, it is not a real problem. When combined with the drill head available as accessories "normal" drill can be used with this machine. The 2.0 Ah battery is of sufficient size - have thus can drill without great Kraftauswand basement twelve approximately 6 cm deep holes with an 8 mm drill in concrete - Battery & machine could cope with this task easily and the battery true long not yet empty. Also have the sander, the reciprocating saw, the jigsaw and circular saw - to operate all with a battery type. So make DIY fun - without getting an extension cord having to trail behind.