One of this hammer drill's more useful features is that it's brushless. It runs on a rechargeable battery, so it's completely wireless.
From Amazon
Makita DHP485RTJ 18V Li-ion LXT Brushless Combi Drill complete with 2 x 5.0 ah Li-ion Batteries and Charger supplied in a Makpac Case
OnBuy
makita DHP485RTJ Combi Drill, 18 V