Professional Tool Reviews for Pros


DeWalt Cordless 7-inch Polisher DCM849P2

DeWalt 7-Inch Polisher

DeWalt Cordless 7-inch Polisher Gives You Freedom in the Shop

The new DeWalt Cordless 7-inch polisher (model DCM849P2) has the sort of power and performance that tackles cars, headlights, windshields, fiberglass, gelcoat, and glass applications. But, because it cuts the cord, you don’t have to worry about marking up your work surface or being confined to the power outlet in the shop. If your automotive shop has already shifted to cordless with products like the DeWalt Atomic 20V impact driver, perhaps this battery-powered polisher deserves a look.



10-Second Summary

  • Model: DeWalt DCM849P2
  • Brushless motor
  • No-Load Speed: 800-200 rpm
  • Variable speed trigger and dial
  • Sideways battery pack
  • 4.8 lbs
  • 3-year limited warranty, 1-year free service agreement; 90-day money-back guarantee
  • Price: $429 kitted with two 6.0Ah batteries and charger

How Does the DeWalt 20V 7″ Polisher Handle?

DeWalt upgraded to a brushless motor in the DCM849P2, ramping up the tool’s power and efficiency. It can crank out a no-load speed between 800 and 2,200 RPM, and you have the ability to set and monitor your speed via the variable speed trigger and speed control dial.

DeWalt 7-Inch Polisher

Ergonomically, DeWalt has added some features to help you keep your work pristine and scratch-free as well. The battery on the new 7-inch polisher runs sideways to keep it out of your way as you maneuver. A rubber gear case overmold improves the tool’s gripping surface, particularly at the front grip position. The included auxiliary handle screws easily into the left or right side, but you can also remove it and opt for the included bail handle.

Compared to corded polishers of this size, the 4.8 pounds tool-only weight compares very favorably to 10-amp corded models. Add 1.4 pounds for the 5Ah or 6Ah battery and you still land at a lightweight 6.2 pounds.

DeWalt 7-Inch Polisher

You can pick up the DeWalt 20V 7-inch polisher, kitted with two 6.0 Ah batteries and charger, for $429. It is also available as a bare tool for $259. The DeWalt DCM849P2 comes with a 3-year limited warranty, a 1-year free service agreement, and a 90-day money-back guarantee.

DeWalt DCM849P2 20V 7-inch Polisher Kit Specs

  • Model Number: DCM849P2
  • No Load Speed: 800-2200 RPM
  • Spindle Thread: 5/8″ – 11 (15.9mm)
  • Tool Weight: 4.8 lbs
  • Warranty: 3-year limited
  • Price: $429 for kit; $259 for bare tool
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