M18 FUEL 1-3/4" SDS MAX Rotary Hammer w/ ONE-KEY

Battery answer

Every reviewed M18 pack powers SKU 2918-20 at full rated performance, with no battery-specific condition.

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

Milwaukee · Rotary Hammers · SKU 2918-20 · 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 1-3/4" SDS MAX Rotary Hammer Kit w/ ONE-KEY (2918-22HD)

QtyComponentSKU
1 M18 FUEL 1-3/4" SDS MAX Rotary Hammer w/ ONE-KEY 2918-20
2 M18 REDLITHIUM FORGE HD12.0 Battery Pack 48-11-1813
1 M18 & M12 Rapid Charger 48-59-1808

Battery capacity in the box: 24.0 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 2918-22HD (1)

manufacturer page

Tool specifications and manufacturer claims

Basic tool facts

BrushlessYes
Weight, bare tool 17.4 lb
Specification sources (1)

Full specifications

As published by Milwaukee for SKU 2918-20, read 2026-07-31. Values are quoted in their units, not reformatted.

Height12.3 in
Length (assembledLength)19.4 in
Width4.6 in
AUTO STOPYes
Branding Badge: FUEL · Tool: FUEL
Brushless MotorYes
Chuck Size1-3/4 in
Chuck TypeSDS Max
FUELYes
Handle TypeDrop Motor
IPM Range0-2625 IPM
ChargerNo
Length (lengthin)19.4"
Max RPM347 rpm
Motor TypePOWERSTATE Brushless
Number of Batteries Required1
ONE-KEY EnabledYes
Switch TypeTrigger
VACLINK CompatibleYes
Variable SpeedYes
Warranty5 Year Limited Warranty
Weight w/Batteries21.4 lb

What Milwaukee says about it

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