M18 Cordless 5/8" SDS Plus Rotary Hammer

Battery answer

Every reviewed M18 pack powers SKU 2612-20 at full rated performance, with no battery-specific condition.

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

Milwaukee · SDS Plus · SKU 2612-20 · 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 Cordless 5/8" SDS Plus Rotary Hammer Kit (2612-21)

QtyComponentSKU
1 M18 Cordless 5/8" SDS Plus Rotary Hammer 2612-20
1 M18 & M12 Multi-Voltage Charger 48-59-1812
1 M18 REDLITHIUM XC Extended Capacity Battery 48-11-1828

Battery capacity in the box: 3.0 Ah across 1 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 2612-21 (1)

manufacturer page

M18 Cordless 5/8" SDS Plus Rotary Hammer Kit (2612-22)

QtyComponentSKU
1 M18 Cordless 5/8" SDS Plus Rotary Hammer 2612-20
1 M18 & M12 Multi-Voltage Charger 48-59-1812
2 M18 REDLITHIUM XC Extended Capacity Battery 48-11-1828

Battery capacity in the box: 6.0 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 2612-22 (1)

manufacturer page

Tool specifications and manufacturer claims

Basic tool facts

BrushlessNo
Weight, bare tool 5.5 lb
Specification sources (1)

Full specifications

As published by Milwaukee for SKU 2612-20, read 2026-07-31. Values are quoted in their units, not reformatted.

Height7.8 in
Length12 in
Width3 in
AUTO STOPNo
Branding Badge: Not Applicable · Tool: Brushed
Brushless MotorNo
Chuck Size5/8 in
Chuck TypeSDS Plus
Colors Black · Red
FUELNo
Handle TypeDrop Motor
MaterialMetal
Motor TypeBrushed
ONE-KEY EnabledNo
Switch TypeTrigger
VACLINK CompatibleNo
Variable SpeedYes
Warranty5 Year Limited Warranty

What Milwaukee says about it

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