DCF850 E2T XR BL Impact Driver 18V 2 x 1.7Ah POWERSTACKâ„¢ Li-ion

The DEWALT DCF850E2T XR Brushless Impact Driver is supplied with

2 x 18V 1.7Ah POWERSTACK™ Li-ion Batteries.
1 x Charger.
1 x TSTAK™ Kitbox.

POWERSTACK™ batteries deliver 50% more power* with a 25% smaller** footprint and work with all of the 18V XR tools you already have.

* Regarding 50% more power: vs DCB183 battery, not in application.
** Regarding 25% smaller pack and a more compact footprint: vs DCB183 battery.