This hammer drill is a perfect companion when you take on your building project. It runs on a rechargeable battery, so it's completely wireless.
From Amazon
Dewalt 18.0 Volt SDS-plus 24mm Mallet Combination Battery (brushless) - basic version (DCH273NT-XJ); with more power; (without batteries); compact dimensions, yellow
Powertool World
DeWalt DCH273NT 18v XR SDS+ Plus Brushless Hammer Drill Body Only In Carry Case
Conrad Electronic
DEWALT DCH273NT SDS-Plus-Cordless hammer drill combo 18 V Li-ion incl. case