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.

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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

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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

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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.

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

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

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

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

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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.

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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.”

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