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Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Extended Capacity Battery, 2-Pack
2-pack
- 30 days from delivery, on unused items in their original packaging.
- Wrong, damaged or defective item? We send a prepaid label and make it right.
- Changed your mind? You cover the return shipping; refund to your original payment.
- Included: 2 batteries, no charger
- Pack: 2
- Compatibility: Fits all Milwaukee M12 tools and chargers
- New, genuine, in original packaging
FREE FLEX 24V Tool Bag on orders $80+

Key specs
Full details ↓- 4.0Ah extended capacity per battery
- Works in temperatures below 0 F
- Temperature management and individual cell monitoring
- Fits Milwaukee M12 tools and M12 chargers
In the box: 2 batteries, no charger
Key specs
Full details ↓- 4.0Ah extended capacity per battery
- Works in temperatures below 0 F
- Temperature management and individual cell monitoring
- Fits Milwaukee M12 tools and M12 chargers
In the box: 2 batteries, no charger
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The details that matter.
- Brand
- Milwaukee
- Pieces per pack
- 2
- Price per piece
- $45.41
- Included
- 2 batteries, no charger
- Compatibility
- Fits all Milwaukee M12 tools and chargers
- Condition
- New, genuine, in original packaging
- Free US shippingShips from Pompano Beach, FL
- Same-day dispatchOrder by 2:30 PM ET, Mon–Fri
- 30-day returnsSee return policy
Pickup currently unavailable
The Milwaukee 48-11-2442 M12 REDLITHIUM XC4.0 Battery 2-Pack contains two 4.0Ah extended capacity batteries (48-11-2440) for Milwaukee M12 cordless tools.
Key Features
- 4.0Ah extended capacity per battery
- Works in temperatures below 0 F
- Temperature management and individual cell monitoring
- Fits Milwaukee M12 tools and M12 chargers
Specifications
- Brand: Milwaukee
- Model: 48-11-2442 (2 x 48-11-2440)
- Platform: M12 (12V)
- Capacity: 4.0Ah each
- Energy: 48 Wh each
- Chemistry: Lithium-ion
- Quantity: 2 batteries
What's Included
- 2 x Milwaukee 48-11-2440 M12 REDLITHIUM XC4.0 Batteries
- Charger not included
Check out our store for compatible Milwaukee parts, accessories, batteries, and companion tools.
Thank you for choosing Significant Services. We sincerely appreciate your business and are proud to be your source for high-quality tools and equipment.
- Milwaukee M12 4.0 Ah XC batteries deliver extended run time for powering compact 12V tools through demanding drilling, driving, and cutting tasks.
- 4.0 Ah 12V lithium-ion battery pack provides significantly increased capacity over standard compact M12 batteries for longer tool use between charges.
- Durable lithium-ion construction with integrated overload and temperature protection helps prevent damage and supports long service life in tough conditions.
- Genuine M12 platform batteries are compatible with all Milwaukee M12 cordless tools and M12 battery chargers for seamless system integration.
- Convenient 2-pack ensures a spare battery is always ready, minimizing downtime on the jobsite and improving overall productivity.
- REDLINK Advanced Protection Circuitry prevents overloads, short circuits, and over-discharge to maximize battery life and safety
- All-Weather Operation: Functions reliably even in sub-zero temperatures for year-round use
Significant Services Inc. is an independent retailer, not the manufacturer. All products are new unless otherwise specified. Brand names and trademarks belong to their respective owners, and unless stated otherwise we are not affiliated with or endorsed by the manufacturer.
Ships the same day
Order by 2:30 PM ET, Monday–Friday, and it leaves our Pompano Beach, FL warehouse the same business day.
Free US shipping
Every order, no minimum, with Free Economy Shipping. Need it sooner? Choose 2-Day Air at checkout. Most orders arrive in 1–5 business days.
30-day returns
Not right for the job? Return it within 30 days of delivery. Read our refund policy.
Significant Services Inc.
1580 NW 27th Ave, Ste 12, Pompano Beach, FL 33069
Support: Monday–Friday, 9:00 AM–5:00 PM ET · 954-932-6568 · support@significantservices.com
Significant Services is an independent retailer. Brand names and trademarks belong to their respective owners, and unless stated otherwise we are not affiliated with or endorsed by the manufacturers whose products we sell.



















