M18 FUEL 1/2" Router
Battery answer
Every reviewed M18 pack powers SKU 2838-20 at full rated performance, with no battery-specific condition.
- Battery platform
- Milwaukee M18
- Packs required
- Not published by Milwaukee
- 9 work without conditions.
Battery requirement sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Compare the reviewed packs See tool specifications and sources
Milwaukee · Routers · SKU 2838-20 · Milwaukee source
Compare the reviewed M18 packs
| Battery | Capacity | Energy | Power level | Answer |
|---|---|---|---|---|
| 48-11-1813 | 12 Ah | 216 Wh | PWR5 | Works |
| 48-11-1820 | 2 Ah | 36 Wh | not published | Works |
| 48-11-1828 | 3 Ah | 54 Wh | not published | Works |
| 48-11-1840 | 4 Ah | 72 Wh | not published | Works |
| 48-11-1850 | 5 Ah | 90 Wh | PWR2 | Works |
| 48-11-1850R | 5 Ah | 90 Wh | not published | Works |
| 48-11-1861 | 6 Ah | 108 Wh | PWR4 | Works |
| 48-11-1865 | 6 Ah | 108 Wh | PWR3 | Works |
| 48-11-1881 | 8 Ah | 144 Wh | PWR4 | Works |
Energy is capacity × nominal voltage — our arithmetic on Milwaukee’s figures, not a number they publish. It is the only honest way to compare packs across capacities. Power level is Milwaukee’s own PWR tier where they publish one.
Compatibility sources (1)
- Milwaukee Tool — manufacturer support, retrieved 2026-07-30“All M18 Batteries are compatible with M18 tools & chargers.”
Tool specifications and manufacturer claims
Basic tool facts
| Brushless | Yes |
|---|---|
| Weight, bare tool | 6.2 lb |
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2838-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Height | 8.3 in |
|---|---|
| Length | 10.9 in |
| Width | 6 in |
| Branding | Badge: FUEL · Tool: FUEL |
| Blade Diameter | 0 in |
| Brushless Motor | Yes |
| FUEL | Yes |
| Handle Type | Overmolded |
| Material | Metal |
| Motor Type | POWERSTATE Brushless |
| Number of Pieces Included | 1 |
| ONE-KEY Enabled | No |
| Warranty | 5 Year Limited Warranty |
What Milwaukee says about it
- POWERSTATE Brushless Motor: Generates the power and torque of 2.25 peak HP corded routers for clean cuts in hardwood.
- REDLINK PLUS Intelligence ensures maximum performance and protects from overloads, heating, and over-discharge.
- Micro-adjust knob offers precise depth tuning at 1/64” increments and the macro-adjust button provides fast adjustments throughout the 2” of total fixed base travel.
- Variable speed dial provides precise RPM adjustments from 25k to 12k to optimize bit speed to the application.
- Included 1⁄2” and 1⁄4” collets for compatibility across common router bit shanks.
- Tool-free spindle lock provides easy bit changes with one 1-1/16" collet wrench
- Dual-LED lights illuminate the workpiece for greater application visibility in low light conditions.
- Included edge guide with micro and macro adjustments expand the versatility on the jobsite.
- Included templating 6” sub-base plate accepts 1-3/16” guide bushings.
- Part of the Milwaukee M18 System, featuring over 200+ tools.
- Included universal hose adapter provides compatibility with a wide range of vacuum sizes.
- Compatible with the Milwaukee 1⁄2” Router Plunge Base and Guide Rail Adapter (Sold separately)
- Includes: 1x M18 FUEL 1⁄2” Router console, 1x fixed base, 1x 1/2 in. collet, 1x 1/4 in. collet, 1x 6 in. standard sub-base plate, 1x 6 in. template sub-base plate, 1x dust shroud, 1x universal hose adapter, 1x straight edge guide, 2x 1-1/16 in. wrenches.
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.