This hammer drill is brushless to make it last longer. It runs on a rechargeable battery, so it's completely cordless.
From Data Powertools
Makita HR004GD201 40V Max XGT BL QCC SDS-Plus Hammer Drill With 2 x 2.5Ah Batteries
ITS
Makita HR004GD201 40V XGT Brushless Rotary Hammer with 2x 2.5Ah Batteries, Charger & Case