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Internet # 203806673

Model # 48-11-1822

Store SKU # 1000050932

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M18 18-Volt Lithium-Ion XC Extended Capacity Battery Pack 3.0Ah (2-Pack)

Contains 6 Amp Hour
$199.00
($33.17 /amp hour)
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  • Delivers long life and run time with fade-free power
  • Fuel gauge onboard: Displays remaining runtime
  • Part of the M18™ System, featuring over 200+ tools
  • View More Details

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Product Details

About This Product

The MILWAUKEE M18 REDLITHIUM XC3.0 Battery delivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance providing users more work per charge and more work over pack life than any battery on the market. The rechargeable battery also delivers users with 3.0 amp-hours of runtime. The pack is durably built for heavy-duty use, runs cooler, and performs in climates below 0°F/-18°C. Built-in REDLINK Intelligence protects the battery from overloads, preventing users from damaging their cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. An integrated temperature management system and individual cell monitoring help to maximize battery life. Switch to Milwaukee's REDLITHIUM XC3.0 Battery Pack to instantly upgrade the runtime and durability of Milwaukee M18 cordless tools.

Highlights

  • 3.0 Amp hour - 54 Watt hour battery
  • LITHIUM-ION battery delivers long life and run time with fade-free power
  • Battery fuel gauge - Displays remaining run-time Milwaukee REDLINK Intelligence
  • Overload Protection - Prevents user from damaging their cordless power tool investment in heavy duty situations
  • Temperature Management System - Keeps battery in ideal temperature range to provide maximum life
  • Individual Cell Monitoring - Ensures optimal charge and discharge for maximum life
  • Discharge Protection - Prevents cell damage from over-discharge
  • Best in class construction
  • Integrated weld frame
  • Cell separator
  • Impact and vibration protective rubber
  • Versatility: Powers more than 175 Milwaukee M18 cordless power tools
  • Shop All Milwaukee Tools
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Product Information

Internet # 203806673

Model # 48-11-1822

Store SKU # 1000050932

Specifications

Dimensions: H 3.307 in, W 6.809 in, L 3.1 in

Dimensions

Product Height (in.)

3.307 in

Product Length (in.)

3.1 in

Product Width (in.)

6.809 in

Details

Battery Power Type

Lithium Ion

Battery Voltage (V)

18V

Charge time (min.)

30

Charger Included

Charger Not Included

Color Family

Red

Individual Battery Weight

1.54 lb

Number of Total Batteries Included

2

Power Tool Accessory Type

Battery

Power Tool Features

No Additional Features

Rechargeable

Yes

Returnable

90-Day

Used with Equipment Type

Specialty Power Tool

Questions & Answers

how many Wh is battery?
ByOct 30, 2026
1 Answer | 
Answer This Question

For the M18™ REDLITHIUM™ HIGH OUTPUT™ XC5.0 Battery Pack, the energy capacity is approximately 90 watt-hours (Wh).

By|Nov 2, 2026


    How do you get it free?
    ByOct 26, 2026
    0 Answer | 
    Answer This Question

    Does this come free with the Milwaukee 7 1/4 rear handle handled circular saw ordered online
    ByOct 8, 2026
    0 Answer | 
    Answer This Question

    Does water get into the vents?
    BySep 5, 2026
    0 Answer | 
    Answer This Question

    I purchased a Milwaukee tool (15gauge trim nailer) not much more than a year ago with a M18 xc5.0 battery, l have used the tool very little and the battery is now dead and will not charge… charger flashes green/red constantly and doesn’t stop , help !
    BySep 2, 2026
    1 Answer | 
    Answer This Question

    Thank you for your honest feedback. We’re sorry to hear about your experience. Please reach out to us at social.media@milwaukeetool.com for further support.

    By|Sep 3, 2026


      I purchased a Milwaukee tool (15gauge trim nailer) not much more than a year ago with a M18 xc5.0 battery, l have used the tool very little and the battery is now dead and will not charge… charger flashes green/red constantly and doesn’t stop , help !
      BySep 2, 2026
      1 Answer | 
      Answer This Question

      Thank you for your honest feedback. We’re sorry to hear about your experience. Please reach out to us at social.media@milwaukeetool.com for further support.

      By|Sep 3, 2026


        I purchased a Milwaukee tool (15gauge trim nailer) not much more than a year ago with a M18 xc5.0 battery, l have used the tool very little and the battery is now dead and will not charge… charger flashes green/red constantly and doesn’t stop , help !
        BySep 2, 2026
        1 Answer | 
        Answer This Question

        Thank you for your honest feedback. We’re sorry to hear about your experience. Please reach out to us at social.media@milwaukeetool.com for further support.

        By|Sep 3, 2026


          What tools qualify.
          ByAug 30, 2026
          0 Answer | 
          Answer This Question

          Viewing 1-8 of 302

          Customer Reviews

          4.7 out of 5

          • 4.7 out of 9,735 reviews
          • 88% recommend this product
          Filter by:
          Showing 1-10 of 9,735 reviews
          These batteries are awesome. I like the fact that they have a longer run time. I’ve had them only a few weeks but they came in handy with a recent power outage. I attached them to my carry on power supply. It ran my 2 freezers and refrigerator. Definitely meets my expectations
          by
          Excellent product, durable and high quality perceived, product arrived earlier than expected.
          by
          This customer chose to rate the product and not provide text.
          by
          • Verified Purchase
          A real Milwaukee battery. It isn’t cheap but it is high quality and should last a long time. The XC battery does last longer which is well worth it when using tools that pull a lot of power. It has worked well the past few weeks powering my grinder.
          by
          This customer chose to rate the product and not provide text.
          by
          Absolutely love this Battery. What a beast! I have had the same batteries for almost 10 years now. Amazing they last this long?! Actually crazy they last that long. Love this new addition. Milwaukee definitely makes the best products. Milwaukee is all I own now!
          by
          This customer chose to rate the product and not provide text.
          by
          Great for my M18 router and drill. Working on a dollhouse now and haven't had a change out yet.
          by
          Blister pack is a nightmare to open
          The battery itself is wonderful but the blister pack that it comes in is a nightmare to open.
          by
            • Recommended
            I’ve been through 3 of the Ryobi wet/dry vacuums and decided to try Milwaukee to see if they work any better. So far so good. This battery came free as part of a promotion when you buy the vacuum. It seems to last longer than my old ryobi in terms of runtime.
            by
            Showing 1-10 of 9,735 reviews

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            Product Snapshot

            Built for long-lasting durability and high performance in heavy-duty situations, with rapid charging.
            Built for long-lasting durability and high performance in extreme jobsite conditions.
            Ideal for professionals needing 12V Lithium-Ion power with overload protection.
            Ideal for professionals needing rapid, simultaneous charging and powerful, long-lasting batteries for demanding applications.

            Voltage

            18V
            18V
            12V
            18V

            Capacity

            3.0 Ah
            5.0 Ah
            4.0 Ah
            3.0 Ah

            Battery Type

            Lithium-Ion
            Lithium-Ion
            Lithium-Ion
            Lithium-Ion

            Charging Time

            30 minutes
            60 minutes
            60-77 minutes
            30 min.

            Run Time

            Up to 2X more
            Up to 2.5X more
            4 Ah (48-Watt hour) of run time
            50% more than CP packs