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← The 10 Best Cordless Impact Wrenches

DEWALT DCF900P1 vs Robustrue RT800B

Our Best Overall vs our Best Budget cordless impact wrenches — is the upgrade worth it?

The short answer

The DEWALT DCF900P1 costs $174.01 more (249% more) than the Robustrue RT800B — $244 vs $69.99. For the extra money you get: a hog-ring anvil (fast socket swaps).

Buyers rate them 4.7 vs 4.5 stars, and the DEWALT DCF900P1 has more reviews behind its rating (2,807 vs 1,446). On our 100-point scale that works out to 97 vs 89.

Bottom line: if you'll use it often, the DEWALT DCF900P1 is worth the $174.01. For occasional jobs around the house, the Robustrue RT800B does the work for less.

Price no object? Our pick is the Milwaukee 2967-20 ($265.97) — see why on the full ranking.

Side by side

DEWALT DCF900P1
Best Overall		Robustrue RT800B
Best Budget
Price$244$69.99
Rating 4.7 4.5
Reviews2,8071,446
Our score97/100 (#1)89/100 (#7)
Bought on Amazon1K+/mo400+/mo
Voltage20V MAX21V
Drive1/2 in, hog ring1/2 in
Max torque1,030 ft-lbs fastening / 1,400 ft-lbs breakaway590 ft-lbs (800 N·m)
Battery1 battery + charger + bag2 x 4.0Ah + charger
Speed modes4 modes3 speeds
KitYesYes
Hog ringYesNo
Multi modeYesYes

Prices, ratings and review counts captured from Amazon on 2026-11-07; prices change often.

Best Overall
DEWALT 20V MAX XR Brushless High Torque 1/2" Impact Wrench Kit with Hog Ring Anvil, Battery, Charger and Bag (DCF900P1)
DEWALT

DEWALT 20V MAX XR Brushless High Torque 1/2" Impact Wrench Kit with Hog Ring Anvil, Battery, Charger and Bag (DCF900P1)

The strongest wrench on this list, sold as a complete kit. 1,400 ft-lbs of breakaway torque breaks loose truck lug nuts and seized hardware that the budget wrenches just hammer on.

Choose it for

  • 1,400 ft-lbs breakaway, 1,030 ft-lbs fastening
  • Precision Wrench mode helps prevent overtightening and fastener run-off
  • 4 speed modes, LED light, 3-year limited warranty
  • 2,700+ reviews at 4.7 stars

Watch out for

  • $244 is about three times the price of the value kits
  • Overkill for rotating tires on a car
Check today's price →
Best Budget
Robustrue 1/2" Brushless Cordless Impact Wrench, 590 ft-lbs, 2x 4.0Ah Batteries, Charger, 4 Sockets (RT800B)
Robustrue

Robustrue 1/2" Brushless Cordless Impact Wrench, 590 ft-lbs, 2x 4.0Ah Batteries, Charger, 4 Sockets (RT800B)

A light, complete kit at about $70: two batteries, a charger, and three speed settings. The reverse auto-stop slows the tool once a nut breaks free so it doesn't spin off onto the floor.

Choose it for

  • 3.74 lb with battery
  • 3 speeds (up to 2,800 RPM) and reverse auto-stop
  • Two 4Ah batteries and a 1-hour charger

Watch out for

  • Calls itself the market's highest-torque cordless wrench, which it isn't
  • Proprietary battery
Check today's price →

Quick answers

Is the DEWALT DCF900P1 worth the extra money over the Robustrue RT800B?

The DEWALT DCF900P1 costs $174.01 more (249% more) than the Robustrue RT800B — $244 vs $69.99. For the extra money you get: a hog-ring anvil (fast socket swaps). Bottom line: if you'll use it often, the DEWALT DCF900P1 is worth the $174.01. For occasional jobs around the house, the Robustrue RT800B does the work for less.

Which has better reviews, the DEWALT DCF900P1 or the Robustrue RT800B?

The DEWALT DCF900P1 is rated 4.7 stars from 2,807 reviews; the Robustrue RT800B is rated 4.5 stars from 1,446 reviews.

What is the best cordless impact wrenches pick overall?

Our Best Overall is the DEWALT DCF900P1 (score 97/100), ranked against 9 other cordless impact wrenches on rating, review volume and features.

See the full top 10

These two are picked from a ranking of 10 cordless impact wrenches, scored on star rating, review volume and the features that matter for the job. See all 10 and the one to avoid →

More head-to-heads