The Milwaukee M18 REDLITHIUM XC5.0 Extended Capacity Battery (48-11-1850) is the primary workhorse of the M18 system. It strikes the perfect balance between power, runtime, and weight, making it the go-to choice for both high-torque applications and handheld maneuverability. Delivering up to 2.5x more runtime and 20% more power than standard lithium-ion batteries, the 5.0Ah pack is engineered to keep professional tools running through demanding shifts while maintaining a fade-free power delivery until the very end of the charge.

Key Features

• REDLINK Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery, and charger to prevent damage during heavy-duty use.
• Best-in-Class Construction: Features a durable metal frame and responsive shock-absorbing separators that protect the internal cells from drops, vibrations, and jobsite impact.
• Onboard Fuel Gauge: Equipped with a bright 4-bar LED display that allows users to quickly check the remaining runtime at the press of a button, reducing downtime and guesswork.
• All-Weather Performance: Engineered to operate in extreme conditions, delivering fade-free power in temperatures as low as 0F (-18C), making it reliable for year-round outdoor work.
• Water Protection: Specialized internal routes and coatings channel water away from critical electronics and out of the battery pack to protect the core components in damp environments.
• M18 System Compatibility: Powers over 250+ Milwaukee M18 cordless solutions, ensuring that your investment in a single battery platform covers everything from drilling to lighting.