REDLITHIUM CP2.0 Battery, M18 Series

Milwaukee 48-11-1820 M18 REDLITHIUM™ CP2.0 Compact Battery – 18V, 2.0Ah

The Milwaukee 48-11-1820 is a compact 18V lithium-ion battery engineered for the M18 cordless tool platform. It delivers 2.0 amp-hours of runtime and incorporates Milwaukee’s REDLITHIUM™ cell technology, designed to optimize thermal performance, discharge cycles, and current output under load. Built to support sustained operation in variable jobsite conditions, this battery offers a compact profile without sacrificing durability or reliability.

Product Features

• Battery Chemistry: REDLITHIUM™ lithium-ion cells for improved thermal management and performance
• Capacity: 2.0Ah – suitable for light to moderate duty applications where lower weight is preferred
• Voltage Platform: 18V – compatible with all M18 tools and chargers
• Electronic Protection: Integrated REDLINK™ Intelligence for load management and over-discharge protection
• Operating Range: Functional in sub-zero conditions, tested for use below 0°F (-18°C)
• Construction: Shock-resistant housing with internal pack structure designed to resist jobsite vibration and impact
• Status Indicator: Built-in LED fuel gauge displays remaining charge

Application Scope

This battery is suitable for powering compact M18 tools including drills, impact drivers, inspection cameras, lights, and other tools where runtime and mobility must be balanced. It is not intended for high-demand tools such as SDS rotary hammers or circular saws where extended runtime and thermal load are critical.

Technical Specifications

• Model Number: 48-11-1820
• Battery Voltage: 18V
• Capacity: 2.0 amp-hours
• Battery Type: REDLITHIUM™ compact
• Compatibility: Fully compatible with Milwaukee M18 tools and M18 chargers
• Temperature Rating: Operates in conditions below 0°F (-18°C)

Usage Notes

Battery installs via slide-in mechanism on all M18-compatible tools. Charging must be performed using M18-specific Milwaukee chargers. For optimal battery life, avoid excessive heat during storage and adhere to manufacturer charging cycle guidelines. For use on jobsites requiring extended runtime, consider pairing with Milwaukee XC or HIGH OUTPUT™ batteries as required by tool application.