M18 FUEL 16" String Trimmer
Battery answer
Every reviewed M18 pack powers SKU 3046-20 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 · String Trimmers · SKU 3046-20 · 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 | 9.9 lb |
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 3046-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Height | 9.25 in |
|---|---|
| Length | 69.5 in |
| Width | 4.5 in |
| Branding | Badge: FUEL · Tool: FUEL |
| Brushless Motor | Yes |
| Colors | Red · White · Black |
| Cutting Swath | 16 in |
| FUEL | Yes |
| Handle Type | Overmold Handle |
| Head Style | Easy Load |
| Maximum Line Diameter | 0.095 in |
| Materials | Aluminum · Glass Filled Nylon · Copper |
| Maximum Horsepower | 1.76 HP |
| Motor Type | POWERSTATE Brushless |
| Number of Batteries Required | 1 |
| Number of Pieces Included | 5 |
| ONE-KEY Enabled | No |
| QUIK-LOK Attachment Capable | No |
| Warranty | 3 Years (Tool), 3 Years (Battery) |
What Milwaukee says about it
- POWERSTATE Brushless motor provides 1.76 HP, more power than 31cc gas
- Lightweight and balanced design reduces fatigue
- Fully compatible with 275+ Milwaukee M18 Solutions
- Reaches full throttle under 1 second boosting productivity and control
- Variable speed trigger and 3-mode speed select for increased control
- RPM: 0-4,600 / 0-5,400 / 0-6,200
- Optimized for use with REDLITHIUM FORGE HD12.0 Batteries
- Advanced air cooling system to sustain demanding applications for longer
- Robust construction to withstand daily use by professional landscapers
- Adjustable bail handle for optimized balance and ergonomics across all applications and user heights
- Adjustable Cutting Swath: 14” – 16”
- Line Diameter: 0.080” / 0.095”
- Milwaukee Easy Load Trimmer Head holds up to 25’ of line and can be loaded in under 30 seconds
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.