Milwaukee 48-11-1850 – M18 REDLITHIUM™ XC5.0 Extended Capacity Battery Pack
The Milwaukee 48-11-1850 is a high-capacity 18V lithium-ion battery designed for use with the full range of Milwaukee M18™ cordless tools. Engineered for demanding applications, the XC5.0 battery provides extended runtime, thermal stability, and improved charge retention over standard lithium-ion batteries, making it suitable for heavy-duty use in construction, plumbing, electrical, and mechanical trades.
Core Features
- Battery Capacity: 5.0 amp-hours for extended runtime under load
- System Compatibility: Fully compatible with all Milwaukee M18™ tools and chargers
- REDLINK™ Intelligence: Integrates with Milwaukee tools and chargers to prevent overload, overheating, and over-discharge
- Cell Monitoring: Individual cell tracking maintains consistent charge/discharge for long-term battery health
- Durable Housing: Resistant to impact, water ingress, and vibration; built for harsh jobsite conditions
- Onboard Fuel Gauge: LED charge indicator displays remaining battery life
Performance Advantages
- Runtime: Up to 2.5x longer than compact battery models
- Cycle Life: Designed for up to twice as many recharges as conventional lithium-ion packs
- Operating Temperature Range: Performs in environments as low as -18°C (0°F)
- Application Use: Ideal for SDS rotary hammers, band saws, circular saws, and other high-draw cordless tools
Specifications
- Battery Voltage: 18V
- Capacity: 5.0Ah (amp-hours)
- Battery Type: Lithium-ion
- Weight: Approximately 1.6 lbs
- Warranty: 3-Year Limited Manufacturer Warranty
Installation Notes
Battery installation is direct-fit using slide-in terminals. Ensure tool contacts are clean and dry prior to battery insertion. Compatible with any M18™ series cordless tool without modification. Charging requires an M18™ charger unit rated for lithium-ion batteries.
Use Case Considerations
- Contractors: Suitable for high-demand tools in framing, HVAC rough-in, pipe threading, and commercial jobsite applications
- Tool Fleet Managers: Interchangeable with all M18™ tools to reduce inventory redundancy and increase field efficiency
The Milwaukee 48-11-1850 M18 REDLITHIUM™ XC5.0 battery offers extended runtime, system-wide compatibility, and rugged durability for consistent performance in professional field applications. Built for heavy use and extreme environments, this pack is a workhorse for crews that rely on cordless performance throughout the workday.
