BULL-TECH 12V 48-11-2425 2.5 AH Replacement for Milwaukee m12 Battery,Compatible with All Power 12V Milwaukee Power+ Tools
Condition: New
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 3 left in stock, order soon!
Arrives
Friday, Sep 4
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Style: 12V BATTERY
Features
- 100% Replacement for M12 red Lithium 2.5Ah Bat pack
- REDLINK Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger
- All-weather performance: Delivers fade-free power in extreme jobsite conditions
- Displays remaining runtime for less downtime on the job
- Offers long-lasting performance and durability
- Made in China
Number of Batteries: 3 Lithium Ion batteries required. (included)
Brand: BULL-TECH
Battery Cell Composition: Lithium Ion
Battery Capacity: 2.5 Amp Hours
Recommended Uses For Product: Power Tool
Number of Batteries: 3 Lithium Ion batteries required. (included)
Brand: BULL-TECH
Model Number: 12v
Model Name: 48-11-2425
Manufacturer: BULL-TECH
Warranty Description: 1YEAR
Battery Capacity: 2.5 Amp Hours
Reusability: Rechargeable
Amperage: 2.5 Amps
Unit Count: 1.0 Count
Battery Weight: 7.2 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:
Friday, Sep 4
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 12V BATTERY
Works great no issues
Reviewed in the United States on January 2, 2026 by loving amazon
Style: 12V BATTERY
Muy buenos
Reviewed in the United States on December 2, 2025 by Luis v.
Style: 12V BATTERY
> BULL-TECH 12V 48-11-2425 2.5 AH for Milwaukee m12 Battery,Compatible with All Power 12V Milwaukee Power+ Tools (~$34) The Good: + Good Wh rating, seems accurate + Fit and finish fits tools properly The Bad: Nothing I found. I ordered these (and several other brands) and tested in my 12V drills and driver, and they work great for me. Still holding charge, no problems. Occasional heavy use where I go through an entire battery, but generally light use every day or two. I haven't experienced any of the halting or overheating issues others have seen on various similar brands with my drills or drivers.
...
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Reviewed in the United States on November 24, 2024 by Amazon Customer
Style: 12V BATTERY
Had for 6 months. Used only twice but no longer holds a charge. Did not do anything to damage or mishandle the battery. Used on 3 different chargers and none of them could charge the battery. Ordered from a different company and those batteries did charge and work. Unreliable.
Reviewed in the United States on June 15, 2025 by TEP
Style: 12V BATTERY
battery life is not quite identical to the original and the fit into the tool is sub-par. The tabs do not lock correctly. The battery is able to be removed without squeezing the tabs. Safety concern and frustrating.
Reviewed in the United States on July 11, 2024 by ZonYzer
Style: 12V BATTERY
This is a decent battery and a good value. It fits snugly in all 3 of the M12 tools I use: a rotary (Dremel type) tool, a one-handed Sawzall, and an older impact driver (all brushed tools). It charges the same as the stock batteries. I was surprised at how much this battery weighs, 176 grams, which is a lot more than all of my other generics. In fact, it weighs almost as much as the name branded 2.0Ah battery (179 grams). Usually this added weight means a better battery. In terms of torque and runtime, this battery is closer to the name brand 1.5Ah battery. On the rotary tool, this is only noticeable when bearing down on cutting/grinding. On the Sawzall, it's really tough to tell which is better. And, the stock battery on the impact driver can get a couple extra turns over this battery.
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Reviewed in the United States on July 15, 2024 Reviewed in the United States on July 15, 2024 by Better Deals
Style: 12V BATTERY
Used it here and there during the last few weeks, so far I'm happy.
Reviewed in the United States on November 5, 2024 by ZACK G.
Style: 12V BATTERY
I don’t put much faith in aftermarket batteries compared to OEM but this one impressed on the test. According to Milwaukee the 2362-20 LED lantern should last 8 hours on their 4.0 battery which basically translates to 1/2 amp per hour on high. I tested this Bull-Tech 2.5A battery in my lantern and it lasted exactly 4:56:15. That’s only 3 minutes 45 seconds shy of what Milwaukee claims should be the life of their battery in this lantern. That is impressive. The battery housing closely matches OEM except for the top which has retaining clips into the base. The battery fits tools perfectly and remove just as easily. This is a great aftermarket battery at a value.
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Reviewed in the United States on July 3, 2024 Reviewed in the United States on July 3, 2024 by RWells