M18 FUEL 7/16" Hex Utility HTIW w/ ONE-KEY (Tool Only)

Battery answer

Every reviewed M18 pack powers SKU 2865-20 at full rated performance, with no battery-specific condition.

Battery platform
Milwaukee M18
Packs required
1 pack
Battery requirement sources (1)

Milwaukee · Mid Torque Impact Wrenches · SKU 2865-20 · Milwaukee source

Compare the reviewed M18 packs

BatteryCapacityEnergy Power levelAnswer
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 Toolmanufacturer 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 7/16" Hex Utility HTIW w/ ONE-KEY Kit (2865-22)

QtyComponentSKU
1 M18 FUEL 7/16" Hex Utility HTIW w/ ONE-KEY (Tool Only) 2865-20
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 2865-22 (1)

manufacturer page

Tool specifications and manufacturer claims

Basic tool facts

BrushlessYes
Weight, bare tool 5.85 lb
Specification sources (1)

Full specifications

As published by Milwaukee for SKU 2865-20, read 2026-07-31. Values are quoted in their units, not reformatted.

Anvil SizeN/A
Anvil TypeN/A
Height10.5 in
Length8.2 in
Width3.13 in
Branding Badge: FUEL · Tool: FUEL
Brushless MotorYes
Chuck Size7/16 in
Chuck TypeQUIK-LOK
Colors Black · Red
DRIVE CONTROL4-Mode (Customizable)
Drive Size7/16 in Hex
FUELYes
IPM Range0 - 2,800 IPM
MaterialReinforced Nylon
Maximum Torque750 ft-lbs
Motor TypePOWERSTATE Brushless
Number of Batteries Included0
Number of Batteries Required1
Number of Pieces Included1
ONE-KEY EnabledYes
RPM Range0 - 2,200 RPM
Warranty5 Year Limited Warranty
Weight w/Batteries7.45 lb

What Milwaukee says about it

Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.