Does the DCM848B come with a battery?

No, the DCM848B (ASIN B082N7P8DD) we verified is the tool-only version. DeWalt also sells it as the DCM848P2 kit, which bundles batteries and a charger under a separate model number and ASIN.

Can I use my existing DeWalt drill batteries with this polisher?

Yes, per DeWalt's own product description it runs on the 20V MAX platform, the same battery system used across DeWalt's broader cordless tool lineup, so batteries you already own for other DeWalt 20V tools should work.

DEWALT 20V MAX* XR Cordless Polisher, Variable-Speed, Random Orbit, 5-Inch, Tool Only (DCM848B)

Product image from current catalog data

Best cordless pick for existing DeWalt 20V owners

DEWALT 20V MAX* XR Cordless Polisher, Variable-Speed, Random Orbit, 5-Inch, Tool Only (DCM848B)

By DeWalt

9.1Excellent matchFeature and use-case score

If you already have DeWalt 20V MAX batteries in your garage, the DCM848B lets you polish without hunting for an outlet or dragging a cord around the car.

20V MAX XR brushless motor for more consistent power and runtime than a brushed equivalent
5-inch backing plate with 2,000-5,500 OPM variable speed
Cordless design eliminates cord snag risk around mirrors, trim, and wheels

See Price at the store →Price, delivery, and configuration can change at the retailer.

ByTopFiveFind Research Desk

How this was made: AI-assisted research and drafting organize the evidence. Exact product identity, source claims, owner-feedback patterns, conflicts, and publication checks are documented before indexing. No hands-on or human-expert testing is claimed unless a page explicitly shows that evidence. Read the full methodology.

Product overview

DeWalt DCM848B Cordless Polisher: What to Know

The DCM848B is a 20V MAX XR brushless random-orbit polisher sold as a bare tool, battery and charger are purchased separately, which makes sense given how many households already own DeWalt 20V packs from drills, saws, or other yard and shop tools. DeWalt's own product page lists a 5-inch backing plate, a variable 2,000-5,500 OPM speed range, and, worth flagging directly, an orbit diameter listed as 2.1 inches, a figure that's repeated consistently across DeWalt's site and numerous authorized retailers. That number is notably larger than the sub-1-inch orbit throws (8-15mm, or roughly 0.3-0.6 in) published for every other polisher in this guide; we're reporting DeWalt's own published spec rather than silently adjusting it, but it's different enough from the category norm that we'd suggest cross-checking it against DeWalt's current spec sheet before assuming it behaves like a typical 9mm-orbit DA tool.

Third-party tool retailers commonly list an installed weight (with a 20V battery) around 5.5 lb, though DeWalt doesn't publish a separate bare-tool-only weight on its own page, another gap we're noting rather than filling with a guess. As a brushless-motor design, it should deliver more consistent power under load and better runtime per charge than a brushed cordless equivalent, which matters on a full-car session where you're not stopping to swap batteries every few minutes.

Being cordless removes one real safety annoyance other polishers in this guide have: no cord to catch on a mirror, snag under a wheel, or drag across a freshly polished panel. The tradeoff is battery life and the added expense of batteries/charger if you don't already own the 20V MAX platform, factor that into the price comparison against the corded RUPES or Griot's before deciding.