This impact wrench has several handy features, for example that it's brushless. The impact wrench runs on a rechargeable battery, so it's cordless.
From Amazon
Makita TW004GZ 40V Max Li-ion XGT Brushless Impact Wrench – Batteries and Chargers Not Included
ITS
Makita TW004GZ 40V XGT Bushless 1/2" Impact Wrench - Body