Home Depot has Ridgid 18V Cordless 1/2" Impact Wrench Kit w/ 4.0 Ah Battery & Charger (R86215K) for $99. Shipping is free or choose ship to store for free store pickup.

Thanks to community member fedechat for finding this deal.

Note, pickup availability will vary by location.

Includes:
Ridgid 18V Cordless 3-Speed 1/2 in. Impact Wrench (R86215)
Ridgid 4.0 Ah Battery (R87004)
Ridgid 18V Charger (R86093)

Features:
500 ft./lbs. of breakaway torque
400 ft./lbs. of fastening torque
3,150 impacts per minute (IPM)
3-Speed Selector provides adjustable speed and power
Anvil with friction ring
LED Light for improved workspace visibility
Ergonomic design for increased user comfort
100% Compatible: Works with all RIDGID 18V Batteries, Tools, and Chargers