M18 FUEL Compact Vacuum

Battery answer

Every reviewed M18 pack powers SKU 0940-20 at full rated performance, with no battery-specific condition.

Battery platform
Milwaukee M18
Packs required
Not published by Milwaukee
Battery requirement sources (1)

Milwaukee · Compact Vacuums · SKU 0940-20 · 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.”

Tool specifications and manufacturer claims

Basic tool facts

BrushlessYes
Weight, bare tool 4.35 lb
Specification sources (1)

Full specifications

As published by Milwaukee for SKU 0940-20, read 2026-07-31. Values are quoted in their units, not reformatted.

Air Flow32 CFM
Peak Amps18 A
Height11.65 in
Length13.07 in
Width6.39 in
Branding Badge: FUEL · Tool: FUEL
Brushless MotorYes
Accessory StorageYes
Colors Black · Red
Filter TypeHEPA
FUELYes
MaterialPlastic
Motor TypeBrushless
Number of Pieces Included1
PACKOUT CompatibleNo
Tank Capacity1 gal
Vacuum StyleCompact
Warranty5 Year Limited Warranty

What Milwaukee says about it

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