DeWALT

DEWALT DCF850B Impact Yellow

Impact
15 amps
Battery
0 ounces

4.6/ 5 on Amazon236Amazon ratings200+bought last month4.1ProductDome score

Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forBuyers on DEWALT's 20 volt platform who want a fast-spinning impact driver

A 20 volt DEWALT impact driver reaching 3200 RPM, with a 4.6 rating across 236 reviews and 200 units bought in the past month.

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ProductDome scorecard

How it ranks among the 284 impacts we track

4.1/ 5ProductDome scoreMedium confidence

Owner satisfaction · 56% of scorecategory median 4.6★4.6

4.6★ across 236 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 360 ratings3.0

236 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score3.1

200+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 284 impacts we track - how the scorecard works · full impacts data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

DEWALT's DCF850B runs on the brand's 20 volt battery platform, reaching a stated 3200 RPM as an impact driver rated at 15 amps. It has sold 200 units in the past month and holds a 4.6 rating across 236 reviews.

Voltage, amperage and speed are all listed, which is more than several other entries in this batch, but chuck size and torque output aren't specified. The listed weight figure is not usable, so no weight claim is made here.

DEWALT 20 volt platform
Battery powered impact driver
3200 RPM top speed
15 amp rating

Who it's for

A fit for anyone already on DEWALT's 20 volt platform who wants a fast-spinning driver for repetitive fastening. Not ideal if torque output or included accessories need confirming first.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

Fits DEWALT's 20 volt battery platform
3200 RPM top speed
200 units bought in the past month

What to check first

No torque rating listed
No chuck size listed

Performance notes

Running on DEWALT's 20 volt battery platform, the DCF850B reaches a stated 3200 RPM with a 15 amp rating, putting it in line with compact impact drivers built for repetitive fastening tasks rather than heavy-torque work.

Specifications

Brand	DeWALT
Model	DCF850B
Amperage	15 amps
Power Source	Battery
Item Weight	0 ounces
Voltage	20 volts
Speed	3200 rpm

How it compares

This product against the closest alternatives we track in impacts.

Product	Amazon rating	Ratings	ProductDome score
DEWALT DCF850B Impact YellowThis product	4.6 / 5	236	4.1 / 5
Milwaukee 2457-20 ImpactMILWAUKEE	4.6 / 5	8,078	4.5 / 5
GEARWRENCH 81270 ImpactGEARWRENCH	4.7 / 5	4,983	4.4 / 5
AOBEN AB7331T ImpactAOBEN	4.4 / 5	10,707	4.4 / 5
Ryobi P235A ImpactRyobi	4.7 / 5	4,700	4.4 / 5

Frequently asked

Questions about the DeWALT DCF850B

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What battery platform does the DEWALT DCF850B use?

DEWALT's 20 volt system, per the listed power source and voltage.

How fast does the DCF850B spin?

3200 RPM, per the listed spec.

How many DCF850B units sold recently?

200 in the past month.