One of this screwdriver's more useful features is that it's brushless. The screwdriver runs on a rechargeable battery, so it's cordless.
From OnBuy
DeWalt DCD991P2-GB Brushless 3 Speed Drill Driver 18 Volt 2 x 5.0Ah Li-Ion
Powertool World
DeWalt DCD991P2-GB 18v XR XRP Brushless Drill Driver Inc 2x 5.0Ah Batts