20V MAX XR Impact Driver

Compact 3-Speed Brushless Driver for Heavy-Duty Fastening

Full manufacturer title

DEWALT 20V MAX XR Impact Driver, 1/4 Inch High Torque Brushless 3 Speed Premium Cordless with LED Light, Extended Runtime, Tool Only (DCF845B) NEW - 20V MAX XR Impact Driver Bare Tool

Member of The 90+ Clubscored 90+ out of 100

Typical price

$122

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DEWALT 20V MAX XR Impact Driver, 1/4 Inch High Torque Brushless 3 Speed Premium Cordless with LED Light, Extended Runtime, Tool Only (DCF845B) NEW - 20V MAX XR Impact Driver Bare Tool image 1

Ravvy verdict

94.1 / 100

Professionals should choose this driver for its exceptional power-to-weight ratio and precise speed control, even if they must purchase batteries separately.

Best for: professional contractors and serious DIY enthusiasts
Buy it if: You want high 1825 in-lb torque rating.
Skip it if: You are only need a light-duty drill.
Best alternative: DEWALT 20V MAX XR Oscillating Multi-Tool Cordless, Variable Speed Brushless Motor Multitool with LED Light, Extended Runtime, Includes Two Wood Cutting Blades, Tool Only (DCS356B) One Size (Single) To (serious DIYers and professional contractors already on the DeWalt battery platform)

How it scores on what matters

Portability96.0
Build Quality95.0
Torque Power94.5
Speed Control92.0
Battery Efficiency89.5

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The Dewalt DCF845B represents a significant evolution in the 20V MAX XR lineup, offering a high-torque brushless motor that handles demanding wood and metal fastening with ease. Its three-speed selector allows for granular control, preventing the over-driving of smaller screws while providing the raw power needed for structural lags. The build quality is characteristically rugged, featuring a reinforced metal nose and an ergonomic grip that minimizes hand fatigue during extended use. Technically, this model stands out for its high rotational speed of 3400 RPM and consistent power delivery. The integrated three-LED ring is a massive improvement over single-bulb designs, effectively eliminating shadows around the chuck. As a bare tool, it is an excellent addition for users already invested in the Dewalt battery ecosystem who need a professional-grade driver that does not compromise on size or weight.

Ravvy AI insight

When comparing to the older DCF887, this model offers a noticeable jump in responsiveness and torque consistency. For the best performance, pair this with a Powerstack battery to maximize the brushless motor's output without adding significant bulk to the tool profile.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 19, 2026.

What owners praise

High 1825 in-lb torque rating
Compact 5.1 inch head length
Shadow-free 3-LED light ring
Three distinct speed settings
Brushless motor efficiency
Responsive variable speed trigger

What to know first

Battery and charger not included
Can be loud at maximum RPM
Slightly premium price for bare tool

Specifications

UPC: 885911893145
GTIN: 885911893145
Brand: DEWALT
Color: Black,yellow
Speed: 3400 rpm
Torque: 1825 in-lb
Voltage: 20 volts
Brand Name: DEWALT
Drill Type: Impact Driver
Unit Count: 1 Count
Item Weight: 1 kg
Manufacturer: DEWALT
Model Number: DCF845B
Power Source: Battery Powered
Material Type: Metal with possibly some secondary plastic parts
Maximum Power: 300 watts
Item Type Name: Impact Driver
Maximum Torque: 1825 in-lb
Number of Items: 1
Number of Packs: 1
Number of Speeds: 3
Compatible Devices: DEWALT 20V MAX batteries (not including the tool itself)
Maximum Chuck Size: 0.5 inches
Additional Features: Variable Speed
Included Components: Impat Driver Tool Only
Drilling Capacity Wood: 0.25 inches
Drilling Capacity Metal: 0.5 inches
Manufacturer Part Number: DCF845B
Maximum Rotational Speed: 3400 rpm
Item Dimensions L x W x H: 5.1"L x 3.38"W x 8.07"H
Manufacturer Warranty Description: Manufacturer Warranty
Global Trade Identification Number: 00885911893145

How to get the most out of it

Selecting the Right Speed

Use setting 1 for precision work like cabinet hardware to avoid stripping. Switch to setting 3 for heavy-duty tasks like driving long deck screws or lag bolts.

Ownership tips

tip

Maximize Your Battery

While compatible with all 20V MAX batteries, using a 5.0Ah or Powerstack battery will provide better weight balance and longer runtime for demanding construction jobs.

care

Chuck Maintenance

Keep the 1/4 inch hex chuck clean of metal shavings and dust. Occasionally apply a small drop of dry lubricant to ensure the quick-release mechanism remains smooth.

Frequently asked questions

Does this driver come with a battery?

No, the DCF845B is a bare tool. You will need to use your existing Dewalt 20V MAX batteries or purchase a battery and charger kit separately.

What is the difference between this and a standard drill?

An impact driver uses a concussive mechanism to deliver high torque without twisting your wrist. It is specifically designed for driving screws and fasteners rather than just drilling holes.

Can it handle 3-inch lag bolts?

Yes, with 1825 in-lbs of torque, this driver is more than capable of driving large structural screws and lag bolts into pressure-treated lumber.

Is the motor brushless?

Yes, it features a high-efficiency brushless motor. This design provides more power, runs cooler, and lasts longer than traditional brushed motors.

Where can you buy the 20V MAX XR Impact Driver?

20V MAX XR Impact Driver is sold through Amazon, and DEWALT also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the 20V MAX XR Impact Driver cost?

The last price Ravvy recorded was $122. Retail pricing on power tools moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the 20V MAX XR Impact Driver for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when power tools discounts run deepest, compare the open box or renewed listing against new stock, and check whether DEWALT is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the 20V MAX XR Impact Driver in stock right now?

It was in stock at our last check. Availability on popular power tools can change within hours, so the live listing is the source of truth.

Is the 20V MAX XR Impact Driver worth it?

Ravvy scores it 94.1 out of 100. The strongest argument for it is high 1825 in-lb torque rating. The trade off to weigh is battery and charger not included.

Who should buy the 20V MAX XR Impact Driver?

It fits professional contractors and serious DIY enthusiasts If that does not describe your situation, compare it with the other options in Power Tools before committing.

What are the key specs of the 20V MAX XR Impact Driver?

UPC: 885911893145. ASIN: B0BQCWH5KF. GTIN: 885911893145. Brand: DEWALT.

What are good alternatives to the 20V MAX XR Impact Driver?

Compare it against the other scored picks in Power Tools on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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