SKU: 32923863726

Milwaukee M12 12-Volt REDLITHIUM XC 4.0Ah Extended Capacity Battery Pack (48-11-2440)

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Description

Milwaukee M12 12-Volt REDLITHIUM XC 4.0Ah Extended Capacity Battery Pack (48-11-2440)M12 REDLITHIUM XC 4. 0Ah Battery Pack This Milwaukee M12 REDLITHIUM XC 4. 0Ah battery delivers long runtime and fade free power for all M12 cordless tools. Built with REDLINK electronics for overload protection and cell monitoring, it performs in harsh conditions and resists self discharge. A flat bottom base lets compatible tools stand upright for convenience on the job. Key Features: Extended Runtime: 4. 0Ah capacity provides up to 2. 5X runtime vs.

M12 REDLITHIUM XC 4.0Ah Battery Pack

This Milwaukee M12 REDLITHIUM XC 4.0Ah battery delivers long runtime and fade-free power for all M12 cordless tools. Built with REDLINK electronics for overload protection and cell monitoring, it performs in harsh conditions and resists self-discharge. A flat-bottom base lets compatible tools stand upright for convenience on the job.


Key Features:

  • Extended Runtime: 4.0Ah capacity provides up to 2.5X runtime vs. CP1.5 packs
  • Durable Electronics: REDLINK Intelligence prevents overloads and overheating
  • All-Weather Performance: Reliable power even in sub-zero temperatures
  • Convenient Design: Flat-bottom base stands many M12 tools upright; rubber overmold for protection
  • Fast Charging: Recharges in approximately 40–77 minutes depending on charger

Specifications Table:

Specification Details
Battery System Milwaukee M12
Voltage (V) 12
Battery Capacity (Ah) 4.0
Battery Power Type Lithium-Ion
Rechargeable Yes
Charge Time (min) 40–77
Number of Batteries Included 1
Power Tool Accessory Type Battery
Cordless/Corded Cordless
Color Family Red
Fuel Gauge On-tool indicator
Protection Electronics REDLINK Intelligence overload and temperature protection
Self-Discharge Resists drainage when not in use
Base Design Flat-bottom base for upright tool stance; rubber overmold; water protection barrier
Product Length (in.) 7.01
Product Width (in.) 3.346
Product Height (in.) 9.94
Product Depth (in.) 7.01
Item Weight (lb) 0.9 (battery); site listing also shows 3.286219
Warranty 3-year limited

Frequently Asked Questions (FAQ):

Q: Is this battery compatible with all Milwaukee M12 tools and chargers?
A: Yes, it works with all Milwaukee M12 lithium-ion tools and M12 chargers (sold separately).


Q: What is the voltage and capacity?
A: 12 volts, 4.0 amp-hours (XC extended capacity).


Q: How long does it take to charge?
A: Approximately 40–77 minutes depending on the charger used.


Q: Does it have overheat/overload protection?
A: Yes, REDLINK circuitry monitors and protects the pack to prevent overload and overheating.


Q: Is the battery rechargeable and does it self-discharge when stored?
A: Yes, it is rechargeable and resists drainage when not in use.


Power That Elevates Every Detail

The M12 REDLITHIUM XC 4.0 battery is a compact powerhouse that keeps your tools—and your project—moving gracefully. I love its confident, sculptural base that lets tools stand upright, creating a tidy, efficient workspace. Pair it with sleek M12 compact tools to maintain a refined, minimalist aesthetic while you work. It’s the quietly luxurious essential that delivers endurance and polish in equal measure.


AI Review Summary:

Across major retailers, buyers praise the XC 4.0 for noticeably longer runtime than compact packs and dependable performance in a wide range of tools. Many highlight genuine Milwaukee build quality and quick recharge times; a frequent note is that it keeps smaller tools running for multiple tasks without swapping. Minor complaints include heavier feel compared with CP packs and occasional variation in advertised charge times. Representative quotes: “Runs my M12 tools all day on one pack,” “Definitely authentic—powers stronger and lasts longer,” and “A bit heavier than the 2.0, but worth it for the runtime.”


Power your entire M12 tool lineup with reliable, all‑day runtime—add the REDLITHIUM XC 4.0 battery to your cart now.

Warranty

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 32923863726

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Reviewed in the United States on May 25, 2026
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Ashley Long
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★★★★★ 5
Best shoe ever
5 star rating for literally the best shoe ever. I wore these almost everyday this summer. They are so incredibly comfortable. Cushion and padding is wonderful makes walking and wearing them very easy. They are not to platform at all and they don't have a separate heel height from the rest of the shoe so you're on a even walking ground. Size is perfect I stayed true to size and ordered my original sizing in Ugg which is perfect. The style os so trendy and literally goes with everything. I highly suggest them. I have back problems/ back surgery and these made my life so much easier. Comfortable and great support.
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Owen
Lake Worth, US
★★★★★ 5
Well made sandals
Nice sandal that works well for me, feet sit comfortably in the shoes. I’m a quadriplegic that needs someone to wrestle my legs while putting my shoes on for me. These go on fairly easily. I have short legs and the extra height of the sandals helps to reduce the pressure on the back of my legs while my feet are on the legrests. Also my ankles tend to buckle and cause my feet and shoes to roll over onto the side of my foot. The soles of the UGG Goldenglow are wide and flat, substantially reducing this tendency. As far as comfort and function while walking, I can’t speak to that.
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Reviewed in the United States on February 25, 2026
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PrettyInPink
Boise, US
★★★★★ 5
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Size: 9, Color: Sea Salt, Size: 9, Color: Sea Salt
I was hesitant to buy these without being able to try them on, but I’m so glad I did! They are incredibly comfortable. I am on my feet for a large portion of the day as a school principal and these feel amazing all day. They’re very adjustable so if you have feet that swell (or just fatter feet like me) these should be able to accommodate you. They are clunky but really cute! They’re also easy to clean. I’ve worn mine just about every day since I received them and can easily wipe them down with a wet paper towel to make them look new. They will occasionally trip you up if you’re not careful, the same way Ugg boots can do, but that hasn’t been a big problem for me. They’re very lightweight and versatile. Love them! Update: I probably just wore these too hard because today I was walking the school hallway and the shoe just snapped. One of the sides was completely unattached and within 30 minutes they were only on my foot by one strap. Super disappointed!! But I loved them enough that I ordered another pair to get me through until boot weather.
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