Impact drivers / Compared

DEWALT DCF850BvsDCF850P1

Two impact drivers, compared from their makers' published US specs. Specs checked 2026-10-18.

The DEWALT DCF850B and DCF850P1 are two package options for the exact same DCF850 impact driver on the DEWALT 20V MAX platform. Tool performance specs are identical; the DCF850B is the bare tool (no battery or charger), while the DCF850P1 kit adds Belt hook, 20V MAX 5.0Ah Battery, Charger, Contractor bag. All figures below come from published US manufacturer specifications and operator manuals; we have not hands-on tested these units.

DEWALT DCF850B

BARE TOOLDEWALT 20V MAX

Max torque 1,825 in-lbsMax speed 3,250 rpmTool length under 4 in (DEWALT's wording)

Find DCF850B prices on Amazon Find DCF850B prices at eBay Opens the retailer in a new tab; the current price is shown there. Marketplace sellers vary: check the seller and exact model.

DEWALT DCF850P1

KITDEWALT 20V MAX

Max torque 1,825 in-lbsMax speed 3,250 rpmTool length under 4 in (DEWALT's wording)

Find DCF850P1 prices on Amazon Find DCF850P1 prices at eBay Opens the retailer in a new tab; the current price is shown there. Marketplace sellers vary: check the seller and exact model.

How to choose between them

From the published figures only; no testing. Rated figures from different makers are not measured the same way.

Where they differ

4 verified spec differences across 12 specs published for both models. Stated from the published figures only; no testing.

What they share

Bare tool vs kit cost calculator (DCF850B vs DCF850P1)

Enter current prices from your preferred retailer to see what you are paying for the bundled battery and charger in the DCF850P1 kit. We do not pre-fill live store prices unless supplied by an approved feed within our freshness window.

Enter the current DCF850B and DCF850P1 prices above to compare the kit premium against the bundled Belt hook, 20V MAX 5.0Ah Battery, Charger, Contractor bag.

Every published spec, side by side

SpecDEWALT DCF850BDEWALT DCF850P1
Max torque (manufacturer rating)1,825 in-lbs1,825 in-lbs
Max speed3,250 rpm3,250 rpm
Tool lengthunder 4 in (DEWALT's wording)under 4 in (DEWALT's wording)
MotorBrushlessBrushless
Batteries in boxDiffers01
Battery capacity (each)DiffersNone included5.0 Ah
Charger in boxDiffersNoYes
Chuck typeHexHex
Chuck size1/4 in1/4 in
Speed settings33
CaseDiffersNo Case IncludedSoft
Warranty3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed

"Differs" marks different published values; pure formatting is not counted. "Only one listed" marks a spec only one maker page gives. Box contents, owner ratings, manuals and sources are on each model's own page: DCF850B, DCF850P1. Swap either model in the compare tool.

DEWALT DCF850B

BARE TOOLDEWALT 20V MAX

Max torque 1,825 in-lbsMax speed 3,250 rpmTool length under 4 in (DEWALT's wording)

Find DCF850B prices on Amazon Find DCF850B prices at eBay Opens the retailer in a new tab; the current price is shown there. Marketplace sellers vary: check the seller and exact model.

DEWALT DCF850P1

KITDEWALT 20V MAX

Max torque 1,825 in-lbsMax speed 3,250 rpmTool length under 4 in (DEWALT's wording)

Find DCF850P1 prices on Amazon Find DCF850P1 prices at eBay Opens the retailer in a new tab; the current price is shown there. Marketplace sellers vary: check the seller and exact model.

Sources

  1. DEWALT US product page DCF850B (features), retrieved 2026-10-18
  2. DEWALT US product page DCF850P1 (features), retrieved 2026-10-18

Spotted a wrong number? Report a spec error (opens an email with both models filled in). We re-check against the makers' pages and correct the page.

Researched by Rob, licensed electrician (Australia), 18 years on the tools. Found an error? Tell us.

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