M18 FUEL Rear Handle 7-1/4" Circular Saw - Tool Only
Battery answer
Battery answers vary by pack for SKU 2830-20. Use the reviewed comparison before choosing; conditions and any evidence gaps are called out.
- Battery platform
- Milwaukee M18
- Packs required
- 1 pack
- 4 work without conditions.
- 5 work with 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 2830-20 · 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 | Conditions apply |
| 48-11-1828 | 3 Ah | 54 Wh | not published | Conditions apply |
| 48-11-1840 | 4 Ah | 72 Wh | not published | Conditions apply |
| 48-11-1850 | 5 Ah | 90 Wh | PWR2 | Conditions apply |
| 48-11-1850R | 5 Ah | 90 Wh | not published | Conditions apply |
| 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.
Where the answer is not a plain yes
Applies to 48-11-1820, 48-11-1828, 48-11-1840, 48-11-1850, 48-11-1850R
Works, with conditions
Works only when the conditions below are met.
| Physical fit | yes |
|---|---|
| Operation | reduced |
| Recommendation | acceptable |
Conditions
- Full performance requires a HIGH OUTPUT-class pack.
Runs, but full rated performance requires a HIGH OUTPUT-class pack (Milwaukee power level PWR3 or above).
Evidence (2)
- Milwaukee Tool — manufacturer support, retrieved 2026-07-30“All M18 Batteries are compatible with M18 tools & chargers.”
- ToolSpecs Editorial — owner observation, retrieved 2026-07-30“Reviewer judgment from long-term M18 ownership, for the five tools where Milwaukee publishes no compatibility claim. Not a manufacturer statement.”
Compatibility sources (2)
- Milwaukee Tool — manufacturer support, retrieved 2026-07-30“All M18 Batteries are compatible with M18 tools & chargers.”
- ToolSpecs Editorial — owner observation, retrieved 2026-07-30“Reviewer judgment from long-term M18 ownership, for the five tools where Milwaukee publishes no compatibility claim. Not a manufacturer statement.”
Tool specifications and manufacturer claims
Basic tool facts
| Weight, bare tool | 10 lb |
|---|
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2830-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Height | 7.87 in |
|---|---|
| Length | 18.9 in |
| Width | 8 in |
| Branding | Badge: FUEL · Tool: FUEL |
| Blade Diameter | 7.25 in |
| Blade Material | Steel |
| Colors | Black · Red |
| FUEL | Yes |
| Handle Type | Rear |
| Material | Metal |
| Motor Type | Brushless |
| Number of Batteries Required | 1 |
| Number of Pieces Included | 1 |
| Warranty | 5 Year Limited Warranty |
| Weight w/Batteries | 13.1 lb |
What Milwaukee says about it
- Cuts Faster Than 15A Corded
- Generates 15 Amp Corded Power
- LED Work Light
- Magnesium Shoe and Guards
- Multi Size Rafter Hook
- No Gear Oiling Required
- POWERSTATE Brushless Motor: Purposely built for the M18 FUEL Rear Handle 7-1/4" Circular Saw to generate the power and performance of a 15A corded circular saw.
- REDLINK PLUS Intelligence: Ensures optimal performance and provides overload protection to prevent damage to the tool and battery during heavy applications while still maintaining compatibility across the entire M18 System.REDLITHIUM HiGH OUTPUT HD12.0 Battery Pack: Provides 50% more power and runs 50% cooler versus standard
- REDLITHIUM HD packs. Superior pack construction provides the industry's best protection against jobsite conditions.
- Up to 570 Cuts per charge
- Electric Blade Brake
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.