Milwaukee M12 12-Volt REDLITHIUM XC 4.0 Ah Battery Pack & Charger Starter Kit
SKU: 50498660094

Milwaukee M12 12-Volt REDLITHIUM XC 4.0 Ah Battery Pack & Charger Starter Kit

$76.50 $85.00
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Description

Milwaukee M12 12-Volt REDLITHIUM XC 4.0 Ah Battery Pack & Charger Starter KitM12 REDLITHIUM XC4. 0 Battery & Charger Kit Kickstart your M12 system with Milwaukees REDLITHIUM XC4. 0 battery and M12 charger. Delivering up to 2X more runtime and 20% more power than standard lithium, this 12V kit is built to run cooler and perform in harsh jobsite conditions. Key Features: Extended Runtime: XC4. 0 battery delivers up to 2X more run time and 2X more recharges vs. standard lithium ion More Power: Provides up to 20% more power for

M12 REDLITHIUM XC4.0 Battery & Charger Kit

Kickstart your M12 system with Milwaukee’s REDLITHIUM XC4.0 battery and M12 charger. Delivering up to 2X more runtime and 20% more power than standard lithium, this 12V kit is built to run cooler and perform in harsh jobsite conditions.

Key Features:

  • Extended Runtime: XC4.0 battery delivers up to 2X more run time and 2X more recharges vs. standard lithium-ion
  • More Power: Provides up to 20% more power for demanding M12 tools
  • Cold-Weather Performance: Operates with fade-free power in climates below 0°F (-18°C)
  • Complete Starter Kit: Includes M12 charger (48-59-2401) and M12 REDLITHIUM XC4.0 battery (48-11-2440)
  • System Compatibility: Works with all Milwaukee M12 cordless tools

Specifications Table:

Specification Details
Battery System Milwaukee M12
Voltage 12V
Battery Amp Hours 4.0 Ah
Battery Power Type Lithium-Ion
Number of Batteries Included 1
Charger Included Yes (M12 Charger 48-59-2401)
Included Battery Model M12 REDLITHIUM XC4.0 (48-11-2440)
Rechargeable Yes
Cordless/Corded Cordless
Power Tool Accessory Type Battery/Charger Set
Charge Time 60 minutes
Color Family Red
Product Height 10.83 in
Product Width 9.84 in
Product Length 3.94 in
Item Weight 2.35 lb

Frequently Asked Questions (FAQ):

Q: What tools is this compatible with?
A: The battery is compatible with all Milwaukee M12 cordless tools and the included charger charges M12 batteries.

Q: How long does a full charge take?
A: Approximately 60 minutes for the XC4.0 pack under normal conditions.

Q: How many batteries are included?
A: One M12 REDLITHIUM XC4.0 battery pack is included.

Q: Is the battery lithium-ion and rechargeable?
A: Yes, it’s a rechargeable lithium-ion battery.

Q: Will it work in cold weather?
A: Yes, it provides fade-free power and operates below 0°F (-18°C).

Power, Poise, and Performance in Compact Form

This sleek red-and-black duo adds a purposeful, modern accent to any workshop. The compact XC4.0 pack is the sculptural hero—robust yet refined—clicking into tools with confidence. Style it on an open shelf beside your M12 lineup; the cohesive Milwaukee red becomes a visual rhythm. It’s the quiet luxury of readiness—power that looks as good as it performs.

AI Review Summary:

Across multiple retail reviews, buyers praise the kit’s value and compact charger, noting fast, reliable charging and strong runtime for most M12 tools. Positive themes include good build quality and system compatibility. Mixed feedback centers on longevity—some report the battery weakening or failing after several months—and difficulty removing the pack from certain tools. A few mention no storage bag is included. Representative quotes: “Charges quick and holds up through my workday,” “Great price to jump into M12,” and “Battery died after 5 months—disappointing.”

Upgrade your M12 setup today with reliable XC4.0 power and fast charging for longer runtime and fewer interruptions.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • 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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50498660094

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4.6 ★★★★★
Based on 2038 reviews
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Product Reviews
D
Verified Purchase
D. C. Hill
San Leandro, US
★★★★★ 5
Very outdoor. Outstanding outdoor Wi-Fi — perfect companion for Starlink (even in winter!
Size: 1 Pack Outdoor, Style: Wi-Fi 7 BE5000, Size: 1 Pack Outdoor, Style: Wi-Fi 7 BE5000
I’m using this as the main router at an off-grid cabin, connected directly to a Starlink Mini, and it has been phenomenal. The coverage and stability are far better than the built-in Starlink Wi-Fi router, especially outdoors and around multiple buildings. This unit serves as the primary node in my network, with a few Deco M5 units extending the mesh, and the handoff between them is seamless. I’m getting reliable coverage over roughly 3 acres, including around the cabin, outbuildings, and yard — something the Starlink router couldn’t come close It’s mounted outdoors and has gone through freezing winter conditions with snow, ice, and icicles forming around it — zero issues so far. Performance hasn’t dropped, and it’s stayed rock solid. Setup was straightforward, management through the app is easy, and once it’s running you basically forget about it — which is exactly what i want. If you’re running Starlink at a rural property, cabin, farm, or large yard, this is an excellent upgrade and easily worth it. Strong signal, wide coverage, and dependable even in harsh conditions. Highly recommended..!.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
I
Verified Purchase
Its8up
Houston, US
★★★★★ 5
Great signal throughout the house and beyond
Size: 3 Pack, Style: Wi-Fi 7 BE5000
Got this set of 3 to replace the single rental EERO that the service provider put in when my mom got fiber. My biggest issue with the EERO was that the service provider set it up, meaning I had no way to control the device. Specifically, my mom is old and apt to click on scam ads or to call the number when a scam popup freezes her keyboard (thanks a lot, Zuckerberg). The only layer of protection I can give her is an adblock DNS, and to do so I need control. Also, I could not get her living room TV to connect to WiFi and signal was starting to drop off a bit in rooms farthest from that single device. At the time of purchase, this was the most economical 3 mesh device WiFi 7 system from a well established brand. The devices are a bit bulky, but are not eye sores and seem to be very well made. The available wall mount brackets for this style router appear to be more secure than the ones for the cylindrical models, and they won't look as goofy hanging on the wall which is another plus. Mounting brackets are sold separately. Her TV still does not connect to WiFi, so placed one of these near the TV and connected it via ethernet cable. The third is in one of the rooms farthest from the main base. The range is quite acceptable, with my phone getting full signal strength in the yard @ >50' from the house in some places. During setup, was given the option to set up MLO WiFi, aka Multi-Link Operation, which creates a second WiFi network that may provide higher throughput than the basic WiFi connection. It is not compatible with all devices, so likely best practice to connect lower need or 'potato quality' devices to the lower throughput base network (phones, TVs, tablets, guests, etc.). The fiber speed is around 300mbps. After extensive Speed Test usage to the point that they stopped allowing me to run Speed Test, both the Base WiFi and MLO WiFi performed similarly with possibly 10-20mbps higher average via MLO. My guess is that MLO may only be truly useful for gigabit connections. Going straight WiFi with these things doesn't add any significant latency or noticeable drop in throughput in my situation, but could be a concern in larger homes and/or when more walls/junk/metal is between mesh devices. Each of these has 2 ethernet ports, and hardwiring them together with ethernet cable will provide the strongest/fastest connection between mesh devices. The theoretical maximum reliable length is 328' (100 meters) for ethernet cable, so quality Cat6 cable could really put some distance between the main base and the 3rd mesh station (possibly with some WiFi dead spots in between). This is not unique to this system, as most mesh devices have 2 or more ethernet ports.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2025
B
Verified Purchase
Bow
Lake Worth, US
★★★★★ 5
Very easy to set up a,works great
Size: 2 Pack, Style: Wi-Fi 7 BE5000
These improved the coverage in my house a lot and the speeds are incredible. The app, easy to set up and have not had a single problem since installing it, it's been 2 months.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
R
Verified Purchase
Rose Westfall
Boise, US
★★★★★ 4
Lots to like!
Size: 1 Pack, Style: Wi-Fi 7 BE5000
Great router. Rename devices is easy and a welcomed option. Router reconnects quickly when provider's service drops. Remote access easy to setup. Allows the setup of 2.4 and 5 mHz networks, guest networks, iot networks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
J
Verified Purchase
JUSTIN CASE
Chelsea, US
★★★★★ 5
I GOT THE 3 PACK.
Size: 3 Pack, Style: Wi-Fi 7 BE5000
THESE DECO 7'S WORK GREAT, IT GIVES A LONGER RANGE FOR YOUR WIFI SIGNAL,AND YOU CAN CONNECT UP TO 150 THINGS THREW WIFI AND EACH UNIT HAS 2 ETHERNET PORTS. THEY ALL THREE WORK OF EACH OTHER AND COVERS OVER 6 THOUSAND SQUARE FEET,THIS MODEL IS THE INDOOR MODEL BUT THEY DO CARRY SEVERAL OUTDOOR MODELS AS WELL.IT ALSO SENDS OUT DUEL WIFI SIGNAL,2.4 AND 5, ITS WIFI 7,YOU CAN USE THEM WIRELESLY OR WITH ETHERNET BUT ONE DOES HAVE TO BE HOOKED UP TO YOUR MODEM. AND YOU CAN ADD MORE UNITS TO IT.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026

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