M18™ REDLITHIUM™ XC 4.0 Extended Capacity Battery Pack

🔋 Product Overview

This battery pack provides up to 2× more runtime, 20 % more power, and up to 2× more recharges than standard 18 V lithium‑ion packs of smaller capacity. It features Milwaukee’s REDLINK™ Intelligence electronics for system communication, overload protection, and optimized performance, and an on‑board fuel gauge to show remaining run time. The pack is built to run cooler and perform in extreme conditions down to around 0 °F (‑18 °C).

⚡ Key Features

• 4.0 Ah extended capacity for long runtime between charges
• Compatible with all Milwaukee M18 cordless tools and chargers
• REDLINK™ Intelligence for optimized performance and overload protection
• Fuel gauge displays remaining runtime
• Runs cooler and delivers fade‑free power in cold conditions
• Durable construction for job‑site use

🛠 Typical Applications

• Powering drills, drivers, impact wrenches, saws, and other M18 tools
• Construction, maintenance, and fabrication work
• Long shifts or heavy tool usage scenarios

📊 Basic Specifications

• Model: 48‑11‑1840
• Battery Type: M18 REDLITHIUM™ XC Li‑ion
• Voltage: 18 V
• Capacity: 4.0 Ah
• Fuel Gauge: Yes
• Compatibility: All Milwaukee M18 tools and chargers
• Performance: Up to ~2× more runtime and power vs standard batteries