M18 FUEL 7-1/4" Rear Handle Circular Saw w/ONE-KEY
Battery answer
Every reviewed M18 pack powers SKU 2931-20 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 2931-20 · 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
| 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 2931-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Badge Branding | FUEL |
|---|---|
| FUEL | Yes |
| Handle Type | Rear |
| Motor Type | POWERSTATE Brushless |
| ONE-KEY Enabled | Yes |
| Blade Diameter | 7-1/4 in |
| Warranty | 5 Year Limited Warranty |
What Milwaukee says about it
- POWERSTATE Segmented Brushless Motor delivers the most powerful, fastest cutting circular saw for greater productivity.
- REDLINK PLUS Intelligence ensures maximum performance and protects from overloads, heating and over-discharge
- AUTOSTOP Advanced Kickback Protection to shut the power off when a severe kickback event is detected.
- VACLINK Wireless Dust Control: Ability to Activate Dust Extractor via Compatible Tool or Remote
- Up to 700 Cuts Per Charge (M18 REDLITHIUM FORGE HD 12.0 battery)
- 2-5/8" Cut Capacity: Capability to cut 3x material in one pass
- Bevel detents at 22.5° and 45°
- Depth detents at 1/2", 3/4", and 1-1/2”
- Rotational dust port and included vac adaptor
- LED light for increased accuracy and visibility
- Integrated multi-sized rafter hook for storage on different materials
- Magnesium Shoe and Guard for Maximum Durability
- Electric brake to stop blade after trigger is released
- Fully Compatible with the M18 System, Featuring Over 250+ Tools.
- Compatible with Rip Fence Kit: 49-22-1001
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.