M18 FUEL Drywall Screw Gun
Battery answer
Every reviewed M18 pack powers SKU 2866-20 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 · Screwdrivers · SKU 2866-20 · 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 Drywall Screw Gun Kit (2866-22)
| Qty | Component | SKU |
|---|---|---|
| 1 | M18 FUEL Drywall Screw Gun | 2866-20 |
| 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 2866-22 (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
M18 FUEL Drywall Screw Gun Compact Kit (2866-22CT)
| Qty | Component | SKU |
|---|---|---|
| 1 | M18 FUEL Drywall Screw Gun | 2866-20 |
| 2 | M18 REDLITHIUM CP2.0 Battery | 48-11-1820 |
| 1 | M18 & M12 Multi-Voltage Charger | 48-59-1812 |
Battery capacity in the box: 4.0 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 2866-22CT (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Tool specifications and manufacturer claims
Basic tool facts
| Weight, bare tool | 2.5 lb |
|---|
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2866-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Height | 7.5 in |
|---|---|
| Length | 9 in |
| Width | 2.25 in |
| Branding | Badge: FUEL · Tool: FUEL |
| Chuck Size | 1/4 in |
| Chuck Type | Hex Quick Change |
| Colors | Black · Red |
| FUEL | Yes |
| Material | Metal |
| Maximum Torque | 124 in-lbs |
| Motor Type | POWERSTATE Brushless |
| Number of Batteries Included | 0 |
| Number of Batteries Required | 1 |
| Number of Pieces Included | 1 |
| ONE-KEY Enabled | No |
| RPM Range | 0 - 4,500 RPM |
| Warranty | 5 Year Limited Warranty |
What Milwaukee says about it
- Auto Start Mode: The tool trigger can stay locked on without the motor running. Once the screw comes in contact with the drywall, the motor automatically starts, resulting in less noise between screws and 3x longer run time.
- Compatible with all M18 batteries
- Ergonomically designed to be light weight, balanced and comfortable for continuous use
- LED on foot of tool for better lighting in dark spaces
- M18 REDLITHIUM XC5.0 battery pack: Delivers 64 sheets per charge and the CP2.0 delivers 27 sheets per charge
- POWERSTATE Brushless Motor: Delivers 4,500 RPM's to provide faster than corded productivity
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.