VERIFIED · 2026 canonical · www.jaspecs.com

Milwaukee M18 REDLITHIUM HIGH OUTPUT CP3.0 Battery 2-Pack

Model number
48-11-1837

The Milwaukee 48-11-1837 provides two compact HIGH OUTPUT CP3.0 batteries for users who want a lighter pack with stronger performance than earlier compact M18 options. It balances compact size with improved output for tools that benefit from a smaller footprint but still need solid power delivery. This makes it a strong option for installers, electricians, and service technicians trying to keep tool weight down without moving to larger XC or HD packs.

identifiers stable · addressable
Model no.
48-11-1837
Brand
Milwaukee
Category
Battery
Canonical URL
/milwaukee/battery/48-11-1837-m18-redlithium-high-output-cp3-0-battery-2-pack/
14 spec rows · each row is anchorable

§ Specifications

#specifications
Product Type
Battery
Voltage (V)
18
Amp Hours
3
Battery Platform
M18
Battery Line
REDLITHIUM HIGH OUTPUT
Power Level
HIGH OUTPUT
Fuel Gauge
Yes
Oil Resistant
No
Pack Quantity
2
Weight (lbs)
1.33
Height (in.)
2.31
Length (in.)
5.31
Width (in.)
3.3
Warranty
3-year limited

§ What's Included

01 (2) M18 REDLITHIUM HIGH OUTPUT CP3.0 Battery Packs (48-11-1837)

§ Warranty

3-year limited

§ FAQ

How many batteries are included?

This model includes two M18 HIGH OUTPUT CP3.0 battery packs.

Is this a compact or extended-capacity battery style?

It is a compact HIGH OUTPUT pack intended to keep size and weight down.

What platform does it fit?

It fits Milwaukee M18 cordless tools.