M18 FUEL Metal Cutting Circular Saw
Battery answer
Every reviewed M18 pack powers SKU 2782-20 at full rated performance, with no battery-specific condition.
- Battery platform
- Milwaukee M18
- Packs required
- 1 pack
- 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 · Metal Cutting · SKU 2782-20 · 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.”
Kit configurations
Ways Milwaukee sells this exact tool in a box. Contents are decomposed to manufacturer SKUs; non-SKU’d accessories — side handles, belt clips, cases — are omitted because they carry no compatibility meaning.
M18 FUEL Metal Cutting Circular Saw Kit (2782-22)
| Qty | Component | SKU |
|---|---|---|
| 1 | M18 FUEL Metal Cutting Circular Saw | 2782-20 |
| 2 | M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack | 48-11-1850 |
| 1 | M18 & M12 Multi-Voltage Charger | 48-59-1812 |
Battery capacity in the box: 10.0 Ah across 2 pack(s). This is the directly comparable capacity when weighing the kit against the bare tool plus packs.
Contents provenance: manufacturer claim; review completed 2026-07-31 by jon.
Contents sources for 2782-22 (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Tool specifications and manufacturer claims
Basic tool facts
| Brushless | Yes |
|---|---|
| Weight, bare tool | 4.8 lb |
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2782-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Height | 6.8 in |
|---|---|
| Length | 12.25 in |
| Width | 7 in |
| Branding | Badge: FUEL · Tool: FUEL |
| Blade Diameter | 5.375 in |
| Brushless Motor | Yes |
| Colors | Black · Red |
| FUEL | Yes |
| Handle Type | NA |
| Material | Metal |
| Motor Type | POWERSTATE Brushless |
| Number of Batteries Required | 1 |
| Number of Pieces Included | 1 |
| ONE-KEY Enabled | No |
| Warranty | 5 Year Limited Warranty |
What Milwaukee says about it
- Brushless motor has no wearable components delivering longest tool life
- Brushless motor with 3,900 RPMs delivers the fastest cutting metal cutting saw
- Integrated hang hook allows tool to hang on ladders and common building materials reducing damage due to drops
- M18 REDLITHIUM Batteries (not included) deliver up to 370 cuts in 3/4" EMT for all day work
- Milwaukee POWERSTATE Brushless Motor provides more power, more run-time, and longer life.
- REDLINK PLUS Electronic Intelligence enables advanced communication between your batteries and tools, allowing for unmatched levels of performance, protection, and productivity.
- The Milwaukee REDLITHIUM Battery Pack is the most durable pack on the market delivering more run-time, power and longer battery life.
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.