What Battery Does the Milwaukee 2554-20 Use?
The Milwaukee 2554-20 M12 FUEL Stubby 3/8″ Impact Wrench runs on the Milwaukee M12 12V battery platform. Any Milwaukee M12 REDLITHIUM battery will power this tool. Note that M12 batteries are NOT interchangeable with M18 batteries — they are a separate, smaller platform.
About the Milwaukee 2554-20
The Milwaukee 2554-20 is the most compact cordless impact wrench available, measuring just 4.8 inches in length. Despite its small size, it delivers up to 250 ft-lbs of fastening torque and 3,200 RPM. The POWERSTATE brushless motor and four-mode DRIVE CONTROL make it ideal for automotive underhood work, tight-space fastening, and maintenance tasks where full-size impact wrenches simply won’t fit.
Compatible Batteries
| Battery Model | Capacity | Weight | Best For |
|---|---|---|---|
| 48-11-2420 | 2.0Ah | 0.53 lb | Ultra-compact, tight spaces |
| 48-11-2440 | 4.0Ah | 0.78 lb | Best balance of runtime and size |
| 48-11-2460 | 6.0Ah | 1.02 lb | Maximum runtime for extended work |
Recommended Battery
For the 2554-20, the 48-11-2440 (4.0Ah) is the ideal choice. It provides excellent runtime while keeping the tool compact — which is the entire point of choosing an M12 stubby impact wrench. The 4.0Ah pack doubles the runtime of the 2.0Ah while adding less than half a pound of weight.
Minimum Battery
The 48-11-2420 (2.0Ah) compact battery is perfectly viable for the 2554-20. For quick automotive tasks like removing a few fasteners or swapping brake components, the 2.0Ah pack keeps the tool at its lightest and most manoeuvrable. Keep a spare charged if you’re doing an extended job.
Battery Compatibility Notes
- All M12 REDLITHIUM batteries are compatible with every M12 tool
- M12 batteries are NOT compatible with M18 tools — they are physically different and not interchangeable
- M12 High Output batteries deliver increased power for demanding tools like impact wrenches
- The compact size of M12 batteries is a key advantage for the stubby impact wrench — it keeps overall tool length minimal