M18 FUEL w/ ONE-KEY High Torque Impact Wrench 1/2" Friction Ring
Battery answer
Every reviewed M18 pack powers SKU 2863-20 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 · Impact Wrenches · SKU 2863-20 · 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 w/ ONE-KEY High Torque Impact Wrench 1/2" Friction Ring Kit (2863-22)
| Qty | Component | SKU |
|---|---|---|
| 1 | M18 FUEL w/ ONE-KEY High Torque Impact Wrench 1/2" Friction Ring | 2863-20 |
| 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 2863-22 (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
M18 FUEL w/ ONE-KEY High Torque Impact Wrench 1/2" Friction Ring Kit (2863-22R)
| Qty | Component | SKU |
|---|---|---|
| 1 | M18 FUEL w/ ONE-KEY High Torque Impact Wrench 1/2" Friction Ring | 2863-20 |
| 2 | M18 REDLITHIUM XC5.0 Resistant Battery | 48-11-1850R |
| 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 2863-22R (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Tool specifications and manufacturer claims
Basic tool facts
| Brushless | Yes |
|---|---|
| Weight, bare tool | 5.9 lb |
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2863-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Anvil Size | 1/2 in |
|---|---|
| Anvil Type | Friction Ring |
| Height | 10.75 in |
| Length | 8.39 in |
| Width | 3.15 in |
| Branding | Badge: FUEL · Tool: FUEL |
| Brushless Motor | Yes |
| Chuck Size | Not Applicable in |
| Chuck Type | Not Applicable |
| Colors | Black · Red |
| DRIVE CONTROL | 4-Mode (Customizable) |
| FUEL | Yes |
| IPM Range | 0 - 2,100 IPM |
| Maximum Torque | 1400 ft-lbs |
| Motor Type | Brushless |
| Number of Batteries Included | 0 |
| Number of Batteries Required | 1 |
| Number of Pieces Included | 1 |
| ONE-KEY Enabled | Yes |
| RPM Range | 0 - 1,700 RPM |
| Variable Speed | Yes |
| Warranty | 5 Year Limited Warranty |
What Milwaukee says about it
- Easily toggle up to four custom performance profiles that can be saved to the memory of the tool
- Features a friction ring design to ensure quick and easy socket changes
- LED light to illuminate work areas
- M18 FUEL with ONEKEY technology provides the most repeatable Impact Wrench in the industry
- Most Compact
- Most compact cordless High Torque Impact Wrench in its class at 8.39" in length
- Most Repeatable Torque
- ONE-KEY Compatible: Customize, Track and Manage tool’s performance and location
- Part of the M18 System, featuring over 150+ tools
- POWERSTATE brushless motor delivers up to 1000ft-lbs of fastening torque and 1400ft-lbs of nut-busting torque
- Premium rubber overmold withstands corrosive materials and provides increased comfort when in use
- REDLINK PLUS Intelligence prevents damage to the tool and battery due to overloading or overheating
- REDLITHIUM™ batteries deliver more work per charge and more work over the life of the battery
- Up to 1400 ft-lbs Nut-Busting Torque
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.