# TLDR Review: Milwaukee M12 Battery 48-11-2425

*Published: 2024-12-23 | Updated: 2025-02-08 | Source: https://shopsavvy.com/reviews-tldr/milwaukee-m12-battery-48-11-2425*

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## Product: Milwaukee M12 Battery 48-11-2425

## Pros
- Comes with two M12 battery upgrades for significantly longer runtime.
- Compact and lightweight, yet comparable in power to larger M12 batteries.
- Capable of drilling through 4" cement blocks on one charge.
- Thermal Protection Mode activates after 12 holes, ensuring safety.
- Performance validated under rigorous testing conditions.
- Battery runs cooler and provides more power than standard options.
- Effective in colder temperatures and offers resistance housing against solvents, oil, and grease.

## Cons
- The 2.5 Ah battery does not work in the M12 Fuel Oscillating Multi Tool, causing flashing lights.
- Users experienced hassle with needing replacements for certain tools.
- Some uncertainty remains about overall quality until prolonged use is tested.

## Bottom Line

The Milwaukee 48-11-2425 M12 REDLITHIUM HIGH Output CP 2.5Ah Battery excels in providing a powerful and long-lasting output, especially for tasks requiring significant power. However, it may not be compatible with all M12 Fuel tools, leading to potential inconvenience. Overall, it's a great choice for Milwaukee tool enthusiasts who seek reliability in rigorous conditions, but verify compatibility with your specific tools.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Comes with two M12 battery upgrades for significantly longer runtime. | The 2.5 Ah battery does not work in the M12 Fuel Oscillating Multi Tool, causing flashing lights. |
| Compact and lightweight, yet comparable in power to larger M12 batteries. | Users experienced hassle with needing replacements for certain tools. |
| Capable of drilling through 4" cement blocks on one charge. | Some uncertainty remains about overall quality until prolonged use is tested. |
| Thermal Protection Mode activates after 12 holes, ensuring safety. |  |
| Performance validated under rigorous testing conditions. |  |
| Battery runs cooler and provides more power than standard options. |  |
| Effective in colder temperatures and offers resistance housing against solvents, oil, and grease. |  |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| My Store | $23.00  | Check |
| My Store | $23.00  | Check |
| Official Store | $23.00  | Check |
| Actools | $23.70  | Check |
| My Store | $23.70  | Check |
| My Store | $23.70  | Check |
| My Store | $23.70  | Check |
| Toolshouse | $23.70  | Check |
| Toolshouse | $23.70  | Check |
| Buya | $34.95  | Check |
| Massdepot | $39.85  | Check |
| JBTools.com | $39.99  | Check |
| acme tools | $40.00  | Check |
| Walmart | $45.80  | Check |
| Bonanza | $46.99  | Check |
| Secondipity | $47.99  | Check |
| Runnings | $49.99  | Check |
| Mercari | $50.00  | Check |
| Empire Tools USA | $63.99  | Check |
| Coastal Tool | $69.00  | Check |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*