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Internet # 330624903

Model # 2966-20-48-11-1850R

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M18 FUEL 18V Lithium-Ion Brushless Cordless High Torque 1/2 in. Impact Wrench w/Pin Detent w/5.0 Ah Battery

$489.00
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  • Increased resistance against exposure to oils, greases, solvents
  • Designed for all-weather performance on the jobsite
  • Impact Wrench delivers up to 900 ft-lbs of fastening torque
  • View More Details

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Product Details

About This Product

The MILWAUKEE M18 FUEL ½" High Torque Impact Wrench w/ Pin Detent delivers up to 900 ft-lbs of fastening torque, greater access in tight spaces, and greater durability. The POWERSTATE Brushless Motor delivers up to 900 ft-lbs of Fastening Torque and 1,100 ft-lbs of Nut-Busting Torque, providing users with greater power for the most demanding applications. At 7.3" in length, the compact size gives users greater access in tight spaces. The robust design allows users to tackle the most demanding applications on the jobsite all while prolonging tool performance. The patented battery isolation system ensures a secure battery connection and controls vibration transmitted to the pack. Tri-LEDs surround the anvil to deliver brighter light with fewer shadows. The integrated lanyard loop allows users to easily transfer and store the tool. 4-Mode DRIVE CONTROL offers greater precision with a range of pre-set RPM and IPM levels, selectable from a single button on the tool. By selecting Mode 4, AUTO SHUT-OFF control applies no more than 50 ft-lbs of torque for hand-tight fastening applications to prevent overtightening. Mode 4 also features Bolt Removal Control that delivers users full torque output, then decreases RPMs once the bolt is loosened to prevent fastener drops. The ½" Pin Detent anvil design maximizes socket retention.

Highlights

  • POWERSTATE Brushless Motor delivers up to 900 ft.-lbs. of Fastening Torque and 1,100 ft.-lbs. of Nut-Busting Torque
  • 7.3 in. L provides most access in tight spaces
  • Greater durability - durability meets performance
  • Patented battery isolation system ensures a secure battery connection and controls vibration transmitted to the pack
  • Tri-LEDs deliver high definition lighting to increase workspace visibility with less shadows
  • 4-Mode DRIVE CONTROL provides greater control over output speed and power includes auto shut-off and bolt-removal mode
  • Bolt removal mode provides maximum nut-busting torque to break fastener free, then slows to 750 RPM for more control when removing fasteners
  • AUTO-SHUTOFF control prevents over tightening and increases productivity by applying no more than 50 ft-lbs. of torque
  • Lanyard loop included allows for safer use and easier storage
  • Mode 1 IPMs: 0 - 1,400; Mode 2 IPMs: 0 - 2,500; Mode 3 IPMs: 0 - 2,700; Mode 4 IPMs: 0 - 2,700
  • Mode 1 RPMs: 0 - 700; Mode 2 RPMs: 0 - 1,300; Mode 3 RPMs: 0 - 2,000; Mode 4 RPMs: FWD: 0 - 900, REV: 0 - 2,000 / 0 - 750
  • Pin Detent securely locks sockets in place, especially while working overhead
  • REDLITHIUM batteries deliver more work per charge and more work over the life of the battery
  • REDLINK PLUS Intelligence ensures maximum performance and protects from overloads, heating and over-discharge
  • Compatible with all M18 batteries and chargers
  • Includes: (1) M18 FUEL 1/2 in. High Torque Impact Wrench with Pin Detent (2966-20)
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Product Information

Internet # 330624903

Model # 2966-20-48-11-1850R

Additional Resources

Shop All Milwaukee

Specifications

Dimensions: H 9.35 in, W 3.13 in, D 7.3 in

Dimensions

Product Depth (in.)

7.3 in

Product Height (in.)

9.35 in

Product Width (in.)

3.13 in

Details

Amperage (A)

0 A

Batteries Included

Yes

Battery Amp Hours

5 Ah

Battery Power Type

Lithium Ion

Battery Size

18-volt

Battery Voltage (V)

18V

Charger Included

Charger Not Included

Color Family

Red

Cordless Tool Type

Impact Wrench

Cordless/Corded

Cordless

Drive Size (in.)

1/2 in

Impacts Per Minute

2700

Included

Battery Included

Motor Type

Brushless

Number of Total Batteries Included

1

Power Tool Features

Variable Speed

Product Weight (lb.)

5.5 lb

Returnable

90-Day

Tools Product Type

Power Tool

Torque (ft-lbs)

1100

Warranty / Certifications

Manufacturer Warranty

5 Year Limited Warranty

Questions & Answers

Why is it charging me for a Milwaukee battery if it says free online only
ByOct 18, 2026
0 Answer | 
Answer This Question

Is it comes with charger
ByAug 24, 2026
1 Answer | 
Answer This Question

No, the M18 18-Volt 5.0 Ah Lithium-Ion XC Extended Capacity Resistant Battery Pack does not include a charger.

By|Aug 24, 2026


    Does this come with the charger?
    ByOct 24, 2025
    1 Answer | 
    Answer This Question

    Hi, Phil. The M18 FUEL 18V Lithium-Ion Brushless Cordless High Torque 1/2 in. Impact Wrench w/Pin Detent w/5.0 Ah Battery does not include a charger.

    By|Oct 29, 2025


      how do i get the free battery?
      ByAug 23, 2025
      0 Answer | 
      Answer This Question

      Torque specs
      ByJul 13, 2024
      1 Answer | 
      Answer This Question

      Hi Chuck! The M18 FUEL Cordless High Torque Impact Wrench delivers up to 900 ft.-lbs. of Fastening Torque and 1,100 ft.-lbs. of Nut-Busting Torque. - Milwaukee Tool Social Team

      By|Jul 15, 2024


        What makes this different from a regular 5.0 amp m18? Is it the case?
        ByApr 20, 2023
        2 Answers | 
        Answer This Question

        This is the new high-output xc5 (not be confused with the xc5.0) these new ones are also tab-less. Claims to be as powerful as the high-output xc6.0 at the same size as an xc5.0 with new tabless battery!

        By|Sep 1, 2026

          Hello! The M18™ REDLITHIUM™ XC5.0 Resistant Battery is built with a resistant housing, providing increased protection against exposure to common oils, greases, and solvents found in transportation maintenance and manufacturing environments. - Social Team

          By|Jul 30, 2024

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            Viewing 1-6 of 6

            Customer Reviews

            4.7 out of 5

            • 4.7 out of 194 reviews
            • 100% recommend this product
            Filter by:
            Showing 1-10 of 194 reviews
            Long lasting
            Long lasting battery for all Milwaukee tools.
            by
              This is one of the best tools that I have. I am disabled with only one arm. So this makes it so that I can do just about anything with my one hand. It is able to break bolts loose that I could not even get with my pneumatic gun. I was so impressed that I now own the half in, 3/8 in and the ratchet. Thank you Milwaukee!
              by
              This customer chose to rate the product and not provide text.
              by
              • Verified Purchase
              Impressive longevity
              I have this on a Milwaukee 24 inch Hedger and did a 2 trees and 8 bushes trimmed as balls and cut tall weeds down. Thinking it wasn’t going to last after 3 hrs of working, it completed the job and still had 2 bars left. Thats the 5.0 XC. Planning to get another one. Thank you for providing a reliable and dependable product.
              by
                • Recommended
                Extra battery
                When you have as many Milwaukee tools like I have, extra batteries are always welcome to have around. This one is for the M18 tools and works just as intended. It has the battery indicator lights on it, and slides into the charging dock without issue. I've been using it with my leaf blower and am very happy with it. It's built to take a beating and survive.
                by
                • Recommended
                Takes the abuse, works great, long too running time
                This new update provides extra environmental resistance to the existing XC battery line. These new batteries are denoted by the shield logo on the side of the battery. Guess what? I've been using the old line of batteries for 6 years now, about 1 day per week, and they are still going, despite my abuse. The new resistance is to oils, grease and solvents. I think that's great, because the old line has worked just fine for me with abuse from dirt, grime and minor moisture. The added resistance only makes a good product better. I have two other brands of battery tools, and I still find the Milwaukee's are my "go to" set for the big jobs. Recently we were building a small retaining wall that required boring holes in 6x6 timbers. I handed off the tool to my fellow workers and they went crazy with it, putting in the mud and boring holes continuously. This was the first time I saw the overheat/overload system work. It works! We simply let the tool and battery cool for a while before resuming work. I have 5 batteries that are 6 years old. 4 are going strong, like new. One only charges to 3 lights, yet is still useful. I'm very happy with the lifetime of these batteries and look forward to adding a new one to the set. Besides the overload protection, another nice feature is the rubber coating. It helps lessen the shock when you drop a tool (don't ask). The electrical connections are well hidden to avoid accidental short circuits when you throw it in your tool bag. The LED charge meter shows 1 to 4 LEDs. When too low, a protection circuit kicks in to avoid a complete drain. The tool shuts off and the 1 LED will blink. During charging, the LEDs show the state of charge. Finally, I like that when you press the button, the charge indicator "sticks" for a few seconds. With gloves on, sometimes your hand gets in the way, so you can release it and see charge. Sounds like a small thing, but it matters. Overall, a great system. Made in Malaysia, Korea, Singapore and China
                by
                • Recommended
                3 found this review helpful
                Excellent Battery for Powerful Tools
                Milwaukee Brand, M18 18-Volt 5.0 Ah Lithium-Ion XC Extended Capacity Resistant Battery Pack Is specially designed for use with automotive tools where oils and solvents are commonly found in the field, including rain and other harsh working conditions. I selected this new battery for use with a new Milwaukee impact wrench (tool only) I recently purchased. The battery weight and capacity are well mated to the wrench for balance and run time. I have never experienced any trouble related to contaminates with my standard Milwaukee batteries, however it never hurts to have the best battery when using the best power tools used by professionals.
                by
                • Recommended
                2 found this review helpful
                Always good to have a spare
                It is all charged up and ready to go to work. The 5AHbattery delivers a lot of run-time on the Milwaukee drills, impact drivers, and other Milwaukee M18 tools. It claims to have more torque, run-time, and life than standard lithium batteries, but I don't have non-Milwaukee batteries to make the comparison. I do know that they last a long time and provide great service in my Milwaukee tools. I carry a spare battery when I take my tools to a job site and don't bother bringing a charger. The Milwaukee batteries charge quicker than other brand batteries. The larger capacity naturally increases the weight of the tool, but the long life requires less swapping during a project. I have older Milwaukee CP 2AH batteries, and they are still going strong after many years.
                by
                • Recommended
                Power to spare!
                Great new battery for a great product. For anyone who uses the Milwaukee M-18 tool system, there’s nothing better than a battery upgrade. And the 5.0 Ah battery pack the power for anything but the largest tools, for endurance. I am still using M-18 batteries that came with Milwaukee tools that I purchased ten years ago, so this is yet another addition and upgrade to the batteries I have in my shop. Whether using my M-18 sander, grinder, ½” drill, weed eater, or shrub trimmer, the 5.0 Ah XC has the power to do the job. Over the years I have purchased different size M-18 batteries for dedicated tools, but this one has the power for anything I have. A great new addition.
                by
                • Recommended
                This has become my "go to" battery for most of my Milwaukee tools.
                I'm a homeowner / DIY'r, not a professional tradesperson, so this review comes from that standpoint. Milwaukee makes a fair number of different batteries; this review is for the 48-11-1850R 5.0 Ah XC battery. Fit and finish is excellent. Milwaukee offers a 3-year warranty on the 1850R batteries. (Battery warranties vary in length, see photo for a listing). There's a "fuel gauge" that shows remaining charge in the battery by pushing a button (see photos for a look at the fuel gauge lights, and a list of what the different lights indicate). When the XC battery runs out of power you won't notice a gradual slowing of the tool action, or reduced speed - the battery just suddenly fails to operate the tool until you give the battery a recharge. Since I'm of a "certain age" I remember when tool batteries had "memories" that forced the user to charge the batteries carefully - running the batteries down completely had a bad effect on overall battery life. Not so with these new Lithium cells - they're much more resilient. You will want to read the instructions on how the batteries should be charged and stored and you'll want to charge the battery before trying it out. Mine came with only 1 light showing on the fuel gauge when the button was pushed. The battery fits all M-18 Milwaukee tools and can be charged from any M-18 charger. In use I've not been able to get a handle on run-times; I've not had a project yet that has run the battery out of juice. The size, weight, and balance of the battery is, for me, the “sweet spot” of M18 batteries. It’s giving me longer run times than my 3 a/h and 4 a/h batteries without adding so much bulk to the tools that it’s a hinderance. There are M18 tools that require more (such as the Milwaukee M18 rotary hammer, which really needs a 12 a/h battery for best longevity) – but for “run of the mill” tools such as my bit driver or hammer drill or reciprocating saw the 5 a/h battery is getting the job done.
                by
                • Recommended
                Showing 1-10 of 194 reviews

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                Product Snapshot

                Built for long-lasting durability and high performance in demanding fastening applications.
                Ideal for customers who want compact power, ensuring access in tight spaces and maximum visibility.
                Built for long-lasting durability and high performance, delivering powerful fastening and nut-busting torque.
                Built for long-lasting durability and high performance, delivering extreme power for demanding tasks.

                Torque

                900 ft-lbs fastening, 1, 100 ft-lbs nut-busting
                250 ft-lbs nut-busting
                1400 ft-lbs nut-busting
                1, 500 ft-lbs nut-busting, 1, 100 ft-lbs fastening

                Power Source Cordless

                Brushless Motor

                Impacts Per Minute (IPM)

                2, 700 IPM
                3, 500 IPM max
                2100 IPM
                Up to 2, 400 IPM

                Battery Life

                More work per charge with REDLITHIUM
                Compatible with M18 batteries
                5 Ah REDLITHIUM battery
                5 Ah M18 REDLITHIUM XC5.0 battery included