Milwaukee M12 12 Volt Lithium Ion XC Extended Capacity 4.0 Ah Battery - 2Pack

The Milwaukee M12 REDLITHIUM™ XC 4.0 Battery Pack – 2‑Pack delivers significantly longer runtime, increased power, and improved durability for all Milwaukee M12 cordless tools. With 4.0Ah extended capacity, these packs provide up to 2× more runtime compared to standard M12 CP batteries, making them ideal for high‑demand applications such as drilling, cutting, fastening, and inspection tools. Built with REDLINK™ Intelligence, each battery communicates with the tool and charger to optimize performance and prevent overload. Designed for harsh jobsite conditions, the XC 4.0 packs run cooler, resist impacts, and deliver fade‑free power in extreme temperatures. Key Features 4.0Ah Extended Capacity for longer runtime Up to 2× more runtime vs. M12 CP compact batteries REDLINK™ Intelligence prevents overload and optimizes performance Fade‑free power in extreme temperatures Durable housing with shock‑absorbing construction Onboard fuel gauge for quick charge status Fully compatible with 150+ Milwaukee M12 tools Runs cooler & lasts longer than previous‑generation packs Basic Specs Model: 48‑11‑2440 Voltage: 12V Capacity: 4.0Ah Battery Type: Lithium‑ion Quantity: 2‑Pack Charging Time: ~60–90 minutes (varies by charger) Compatibility: All Milwaukee M12 tools & chargers Weight: ~0.6 lb per pack Warranty: 3‑year limited What’s Included (2) Milwaukee M12 REDLITHIUM™ XC 4.0Ah Battery Packs (48‑11‑2440) Documentation