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Milwaukee

Milwaukee 48-11-2425 M12 REDLITHIUM HIGH Output CP 2.5Ah Battery

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Availability: In Stock.
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Arrives Monday, Aug 24
Order within 20 hours and 43 minutes
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Features

  • REDLINK Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery and charger
  • Provides the power of an XC battery in a compact size
  • Best-in-class construction: Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents

Description

The Milwaukee M12 REDLITHIUM HIGH OUTPUT CP2.5 Battery Pack delivers 25% more power and runs 25% cooler than other Milwaukee M12 REDLITHIUM CP battery packs. This increased performance of the lithium-ion battery gives you the same power and runtime of a Milwaukee M12 REDLITHIUM XC battery in a lighter and more compact package. The 12-volt battery pack delivers fade-free power and runs substantially cooler through demanding applications, allowing you to push your cordless power tools throughout a wide range of applications. Its compact, lightweight design allows you to work in tight workspaces and reduces fatigue. Each battery pack is durably built for heavy-duty use, runs cooler, and performs in climates below 0degreesF/-18degreesC. in addition, the M12 REDLITHIUM HIGH OUTPUT CP2.5 is built with a resistant housing, providing increased protection against exposure to common oils, greases, and solvents found in transportation maintenance and manufacturing environments. The Milwaukee M12 REDLITHIUM HIGH OUTPUT CP2.5 is fully compatible with 125+ M12 solutions. Delivers 25% more power and runs 25% cooler Provides the power of an XC battery in a compact size Versatility: Powers all 125+ M12 cordless solutions REDLINK Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery and charger Best-in-class construction: Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents All-weather performance: Delivers fade free power in extreme jobsite conditions

Number of Batteries: 1 Lithium Ion batteries required.


Brand: Milwaukee


Battery Cell Composition: Lithium Ion


Battery Capacity: 2.5


Recommended Uses For Product: Power Tool


Number of Batteries: 1 Lithium Ion batteries required.


Brand: Milwaukee


Model Number: 48-11-2425


Model Name: Milwaukee - 48-11-2425


UPC: 045242615759


Manufacturer: Milwaukee


Built-In Media: Milwaukee - 48-11-2425


Warranty Description: Manufacturer Warranty


Item Type Name: Milwaukee - 48-11-2425


Battery Capacity: 2.5


Reusability: Rechargeable


Amperage: 2.5 Amps


Compatible Phone Models: m12


Unit Count: 1.0 Count


Battery Weight: 2.5 Grams


Item Dimensions: 1.9 x 2 x 3.3 inches


Item Weight: 6.98 Ounces


Antenna Location: Power Tool


Battery Cell Type: Lithium Ion


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Aug 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Powerful
Review: Milwaukee 48-11-2425 M12 REDLITHIUM HIGH Output CP 2.5Ah Battery Rating: ⭐⭐⭐⭐½ (4.5/5) In a world increasingly dependent on cordless power tools for both professional and personal use, having a reliable, long-lasting battery is not just a luxury, it's a necessity. The Milwaukee 48-11-2425 M12 REDLITHIUM HIGH Output CP 2.5Ah Battery is a powerhouse in a compact form, offering a blend of durability, power, and innovation. High-Output, High Satisfaction The first thing to notice is the 2.5Ah capacity. It's not just a number on a package; it's an insurance of extended use. Milwaukee's REDLITHIUM technology ensures a longer run-time and overall battery life. Whether you're a professional on a job site or a DIYer at home, this high-output battery keeps you going when you need it the most. Toughness Meets Technology Milwaukee doesn't just stop at high-capacity; they've built this battery to withstand tough conditions. The robust construction ensures that it survives the inevitable bumps and drops of active use. Moreover, it features advanced overload protection, which safeguards both the battery and the tool it's powering. Rapid Recharge A powerful battery is only as good as its charging time, and here too, Milwaukee delivers. The rapid recharge rate means minimal downtime, so you can get back to work faster. Pair it with a quality Milwaukee charger, and you're looking at a system designed for efficiency. Compatibility and Versatility One of the most appealing aspects of this battery is its broad compatibility with Milwaukee’s M12 lineup. This means you can easily swap it between different tools, increasing the battery's utility and decreasing the need to carry multiple battery types. Just a Smidgen of Improvement The only drawback could be its weight, which, given the high output, is on the heavier side for some M12 tools. While this isn’t a major issue for many applications, those using it for extended periods in a hand-held tool might feel the difference. The Verdict The Milwaukee 48-11-2425 M12 REDLITHIUM HIGH Output CP 2.5Ah Battery is a robust, reliable, and highly efficient power source. It offers substantial improvements in both run-time and durability, making it a crucial component for anyone serious about their tools. So, if you're looking to upgrade or replace your current battery, this is a top-tier option worth every penny. Power your projects the right way with Milwaukee’s proven quality. ... show more
Reviewed in the United States on September 6, 2023 by Dan
    • The best battery for the best tools, High output for the win!
I’m slowly replacing my regular Milwaukee batteries with these high capacity batteries and I notice an immediate difference in runtime and power in every tool. This battery came in retail packaging and in perfect condition. Thank you JB tools, and thanks you Amazon for saving me money.
Reviewed in the United States on June 12, 2026 by A.C
    • Good battery
Holds a good long charge
Reviewed in the United States on June 5, 2026 by James
    • Worth the upgrade
This battery is the perfect pairing for your subcompact impact, and all your electric ratchets. With incredible performance gains compared to standard XC batteries, these are all I own now. With the same form factor as other small M12 batteries, but having the performance of a much larger battery, I can get behind this advancement. ... show more
Reviewed in the United States on June 20, 2026 by Luke
    • It Works well
Better than the 2.0
Reviewed in the United States on June 27, 2026 by kathi b mcdonnell
    • Genuine Milwaukee battery at a great price.
Powerful yet still compact battery. The high output on this does give it that extra driving power. It gives you the power of the bigger batteries with the typical no flat bottom compact design. It's a genuine Milwaukee battery for a great price.
Reviewed in the United States on December 5, 2025 by luke Williamson
    • Decent, but don't like heavy loads
Overall pretty good. However, when drilling a fairly large hole in thicker material using the 1/2" hammer drill/driver, the batteries get pretty warm and seem to go into overheat protection kind of quick. They work great with the 1/4" bit driver.
Reviewed in the United States on February 7, 2025 by michael r.
    • Great battery for the price.
Battery was brand new and the package had never been opened. Thanks again for the fast shipping.
Reviewed in the United States on June 10, 2026 by Rich

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