Milwaukee M18 Redlithium 2.0Ah Compact Battery Pack

The Milwaukee 48-11-1820 M18™ REDLITHIUM™ CP 2.0Ah Compact Battery Pack is built for users who demand lightweight mobility without sacrificing performance. Ideal for drilling, fastening, and light-duty cutting, it delivers twice the runtime and 20% more power compared to standard lithium-ion batteries—all in a compact and ergonomic form. Backed by REDLINK™ intelligence, it ensures long-term performance and durability.

Compact Yet Powerful

• Provides 2.0Ah of runtime for demanding tasks.



• Lightweight for overhead work and tight spaces.



• Great balance when paired with M18 compact tools.

• 2X more runtime, 20% more power vs. standard lithium-ion.



• Built to perform in extreme jobsite conditions (0°F to 140°F).



• Fully compatible with 175+ M18™ tools.

• Integrated REDLINK™ Intelligence prevents overloads, over-discharging, and overheating.



• Durable outer housing resists impact and weather.



• Battery fuel gauge for instant charge visibility.

Model Number: 48-11-1820

Battery Type: REDLITHIUM™ CP 2.0Ah

Voltage: 18V

Amp Hours: 2.0Ah

Weight: 0.95 lbs

Compatibility: Works with all M18™ tools and chargers