Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Battery 2-Pack

Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Battery 2-Pack

In Stock

★★★★★

(0 )

$74.50

$149.00

-50%

SKU:

P6932108610110497000186966290

Category:

Batteries & Chargers

Free Shipping:

Free shipping on orders over $40.

Description:

Our M12 XC 4.0 Ah Battery 2-Pack delivers up to 2X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries. The M12 REDLITHIUM XC4.0 Extended Capacity Battery Pack features superior pack construction, electronics, and performance to deliver more work per charge and more work over the life of the pack. Each battery provides 4.0 Ah of runtime and is built with Milwaukee durability to run cooler and perform in temperatures below 0F/-18C. Managed by Milwaukee's exclusive REDLINK Intelligence, the battery features overload protection to help prevent damage to cordless power tools in heavy-duty applications, while discharge protection helps prevent cell damage. The temperature management system and individual cell monitoring help maximize battery life. Upgrade the runtime and durability of your Milwaukee M12 cordless tools with the REDLITHIUM XC4.0 Extended Capacity Battery Pack.

Features

Up to 2X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries
All-weather performance delivers fade-free power in extreme jobsite conditions
Best-in-class construction offers long-lasting performance and durability
REDLINK Intelligence provides optimized performance and overload protection through total system communication between the tool, battery, and charger
Temperature management system and individual cell monitoring help maximize battery life
Versatility: Powers most Milwaukee M12 cordless power tools
Recharges in 60-77 minutes

What's in the Box

(2) M12 REDLITHIUM XC4.0 Extended Capacity Battery Packs (48-11-2440)

Warranty

3 Year Limited Warranty

Specifications

Model Number	48-11-2442
Battery System	M12
Battery Type	REDLITHIUM XC
Battery Capacity	4.0 Ah
Battery Quantity	2
Recharge Time	60-77 Minutes
Operating Temperature	Below 0F/-18C
Warranty	3 Year Limited Warranty

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Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Battery , 2-Pack

Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Battery , 2-Pack

In Stock

★★★★★

(0 )

$74.50

$149.00

-50%

SKU:

P6419313685664908732215442007

Category:

Free Shipping:

Free shipping on orders over $40.

Description:

Key Features

Longer RuntimeEach battery delivers 4.0 amp hours to keep M12 tools running longer between charges. That matters when you are using higher-draw cordless tools and do not want to swap packs every few minutes. REDLINK ProtectionBuilt-in REDLINK Intelligence helps protect the battery and tool from overload and damaging discharge. In plain terms, it helps the pack last longer and keeps performance more consistent under load. M12 System FitThis Milwaukee battery pack is made for the M12 platform and powers most Milwaukee M12 cordless power tools. If you are already invested in M12, this is a straightforward runtime upgrade.

Overview

The Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Battery 2-Pack is a pair of 12V lithium-ion battery packs built for Milwaukee M12 cordless tools. This is a battery pack designed for powering cordless tools with longer runtime than standard compact packs. Model Number 48-11-2442. If you already use the M12 platform and want more work per charge, this kit gives you two extended-capacity 4.0Ah batteries instead of a single pack.

What makes this set matter is the balance between size and usable runtime. Each battery delivers 4.0 amp hours, or 48 watt-hours, which gives M12 drills, impact drivers, lights, inspection tools, and other cordless tools more staying power on the job. Milwaukee states this pack delivers up to 2X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries, making it a practical upgrade for users who have outgrown smaller packs.

Milwaukee builds these packs around its REDLITHIUM battery design and REDLINK Intelligence system. That means the battery, tool, and charger communicate to help manage load and protect against overload and cell-damaging discharge. On the job, that translates into better protection when a tool is pushed hard, plus temperature management and individual cell monitoring that help extend overall pack life.

The physical design is also built for real work. The pack uses a wide base, rubber overmold, and a construction focused on durability. Milwaukee also highlights all-weather performance, including operation in climates below 0 degrees Fahrenheit. For contractors and serious DIY users who work in garages, outdoors, service vans, or cold weather conditions, that is not a throwaway feature. It means the battery is built to keep delivering usable power when lighter-duty packs tend to fall off.

Charging is straightforward. Recharge time is listed at 60 minutes on a rapid charger and 77 minutes on a standard charger. Since this is a two-pack, one of the big advantages is workflow: you can keep one battery in the tool and one on the charger or ready in the bag. That simple rotation is often the difference between staying productive and waiting around for a battery to come back up.

Compatibility is a major reason to buy this pack. The Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Battery 2-Pack is compatible with all Milwaukee M12 cordless tools and instruments, which makes it an easy add-on for anyone already on that platform. It is not a charger kit and does not include a charger, so it is best suited for existing M12 users who need more runtime, a backup set, or a better battery option for tools that draw more power.

Who should buy it? This pack makes the most sense for electricians, service techs, remodelers, installers, maintenance crews, and homeowners who already own M12 tools and want fewer battery changes during the day. If you only use very light-duty M12 tools once in a while, compact packs may be enough. But if you rely on your M12 gear regularly, the extra capacity of these XC4.0 batteries is the kind of upgrade you notice right away.

Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Battery 2-Pack for Longer Runtime

Two extended-capacity batteries make more sense than one when your tools are in regular rotation. This pack is built for users who want the runtime boost of XC batteries without changing platforms.

Includes two M12 REDLITHIUM XC 4.0Ah battery packs
Designed to power most Milwaukee M12 cordless power tools
Each battery is rated at 12V and 4.0Ah

What's in the Box

(2) Milwaukee M12 REDLITHIUM XC 4.0Ah Battery Pack (48-11-2440)

Charger not included.

Key Specifications

Battery Platform	M12
Voltage (V)	12V
Battery Capacity (Ah)	4.0Ah
Energy	48 Wh per battery
Number of Batteries Included	2
Weight (lbs)	0.88 lbs
Length (in)	3.47 in
Warranty	3 Year Limited Warranty

Compatibility

Battery PlatformCompatible with Milwaukee M12 cordless tools and instruments. ChargingWorks with M12 charging systems. Charger is not included with this two-pack.

Built For

Electrical HVAC Plumbing Maintenance Remodeling General Contracting DIY / Hobbyist Cordless Tool Runtime Upgrades

Warranty & Support

3 Year Limited Warranty.

Tool Nut's Take

Tool Nut's Take

Buy This If Your M12 Tools Keep Outworking Your Batteries

The Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Battery 2-Pack is one of the easiest upgrades for anyone already on M12 and tired of swapping small packs all day.

Who it's for: M12 users who run their tools regularly and want longer runtime for service work, installation, repair, and daily carry jobs.
Why it stands out: You get two 4.0Ah extended-capacity batteries, REDLINK protection, cold-weather performance, and full M12 platform compatibility.
Worth knowing: This is a battery-only kit. If you are new to M12, make sure you already have a compatible charger.

Common Questions

Will this battery pack work with all Milwaukee M12 tools? It is listed as compatible with all Milwaukee M12 cordless tools and instruments.
What is the battery capacity? Each battery is rated at 4.0 amp hours and 48 watt-hours.
Is a charger included? No. This set includes two battery packs and no charger.
How long does it take to recharge? Recharge time is listed at 60 minutes on a rapid charger and 77 minutes on a standard charger.

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