M12 12V REDLITHIUM XC4.0 Battery & Charger Starter Kit

This Milwaukee M12 REDLITHIUM XC4.0 Starter Kit powers over 100+ M12 cordless tools with two 4.0Ah batteries and an M12 charger. Built with REDLINK Intelligence and durable pack construction, it delivers longer runtime, more power, and reliable performance even in sub-zero conditions.

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Key Features:

• Extended Runtime: Two M12 REDLITHIUM XC4.0 batteries deliver up to 2X more runtime and 20% more power vs. standard Li-ion
• Smart Protection: REDLINK Intelligence prevents overloads and optimizes performance
• All-M12 Compatibility: Works with every Milwaukee M12 tool; charger supports all M12 batteries
• Durable Pack Design: Runs cooler with robust construction, rubber overmold, and water protection barrier
• Complete Kit: Includes (2) 48-11-2440 batteries, (1) 48-59-2401 charger, and contractor bag

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Specifications Table:

Specification	Details
Battery Power Type	Lithium Ion
Battery Voltage	12V
Battery Amp Hours	4.0Ah (each)
Number of Batteries Included	2
Power Tool Accessory Type	Battery/Charger Set
Rechargeable	Yes
Charger Included	Yes (M12 Charger 48-59-2401)
Charge time (min.)	40 (spec listing); approx. 77 min with standard charger, 60 min with rapid charger
Color Family	Black/Red
Cordless/Corded	Cordless
Product Height	11.1 in
Product Width	17.44 in
Product Length	4.02 in
Item Weight	25 lb (kit)
Model/Kit SKU	48-59-2442SP
Included Components	(2) M12 REDLITHIUM XC4.0 Batteries (48-11-2440), (1) M12 Charger (48-59-2401), Contractor Bag
Warranty	Battery: 3-Year Limited; Charger: 5-Year Limited

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Frequently Asked Questions (FAQ):

Q: Are these batteries compatible with all Milwaukee M12 tools?
A: Yes, the REDLITHIUM XC4.0 batteries and M12 charger are fully compatible with all M12 tools and batteries.

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Q: How long does it take to charge the XC4.0 battery?
A: Approximately 77 minutes on the standard M12 charger; around 60 minutes on a rapid charger.

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Q: What warranties are included?
A: 3-year limited battery warranty and 5-year charger warranty.

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Q: Can the kit operate in cold temperatures?
A: Yes, the batteries are designed to perform in climates below 0°F/-18°C.

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Q: What’s included in the box?
A: (2) M12 REDLITHIUM XC4.0 batteries (48-11-2440), (1) M12 charger (48-59-2401), and a contractor bag.

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Power That Elevates Your Workshop

Sleek, compact, and undeniably robust, this M12 starter kit streamlines your workspace with smart, efficient energy. The bold Milwaukee red becomes a statement—pair it with matte black shelving and organized bins for a professional, curated look. I love the wide-base battery design; it stands tools upright, keeping surfaces tidy and ready for action. For a workshop that feels luxurious yet purposeful, this kit is the essential heartbeat behind every project.

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Power your entire M12 lineup with longer runtime and smarter protection—add this starter kit to your cart today.

Warranty