M18 FUEL 6-1/2” Plunge Track Saw
Battery answer
Every reviewed M18 pack powers SKU 2831-20 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 · Circular Saws · SKU 2831-20 · 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 | Not published for this exact SKU |
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2831-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Blade Size | 6-1/2" |
|---|---|
| Tool Warranty | 5 Year Limited Warranty |
| Power Source | Cordless |
| Motor Type | POWERSTATE Brushless |
| Handle Type | Overmolded |
| Material Composition | Steel |
| Length | 14.3 in |
| Weight | 9.13 lb |
| Height | 10.8 in |
| Width | 8.7 in |
| Fuel | Yes |
| Voltage | 18V |
| Brushless | Yes |
What Milwaukee says about it
- Powerstate brushless motor provides the power and speed to cleanly cut through tough materials
- Vac port and dust bag for less mess and time spent cleaning up
- Quick locking blade change system for easy blade changes
- Smooth plunging action for easy plunge cuts
- Variable speed dial for setting blade RPM to your application
- Adjustable cam system allows user to dial in track to rail fitment for laser straight cuts
- Riving knife keeps materials from pinching on blade and reduces kickback
- Easy slide depth stop allows for quick and accurate adjustments
- Onboard allen wrench storage for easy blade changes
- Bevel stops at 0, 22.5, and 45 degrees.
- Micro adjust depth knob for perfect depth setting
- Compatible with 1-7/8" Vac hoses.
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.