Description
Milwaukee 48-11-2442 M12 XC 4.0AH Battery 2-Pack
Upgrade your 12V cordless lineup with extended runtime and fade-free power. The Milwaukee® 48-11-2442 M12™ REDLITHIUM™ XC 4.0Ah Extended Capacity Battery 2-Pack delivers up to 2X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries—giving tradespeople the continuous performance needed to tackle demanding jobs without constant battery swaps.
Engineered with Milwaukee’s proprietary REDLINK™ Intelligence hardware, these battery packs communicate directly with M12™ tools to provide overload protection and prevent harmful thermal damage in high-draw applications. Built with an impact-resistant composite housing and shock-absorbing rubber over mold, the sturdy extended base also allows compact M12 tools to stand upright on workbenches. Designed to power through sub-zero weather and harsh jobsite conditions, this dual-pack ensures one battery is always charged and ready to swap in.
- Up to 2X More Runtime: High-capacity 4.0 amp-hour rating powers high-draw tools like rotary hammers, circular saws, and bandsaws through full work shifts.
- REDLINK™ Intelligence: Advanced internal circuitry prevents overloads, manages operating temperatures, and optimizes cell discharge for maximum tool life.
- Heavy-Duty Jobsite Durability: Shock-absorbing inner frame and rugged rubberized base protect against jobsite drops, vibrations, and water/debris intrusion.
- Cold-Weather Performance: Delivers full fade-free power in extreme jobsite climates down to 0°F (-18°C).
- Flat-Base Tool Support: Extended capacity base design provides a stable, flat footprint for standing tools upright between uses.
- Universal M12 Compatibility: Powers 150+ Milwaukee M12™ cordless power tools, heated gear, and lighting solutions.
Specifications
| Attribute | Specification |
| Brand / Platform | Milwaukee® / M12™ |
| Model / Part # | 48-11-2442 |
| Individual Battery Model | 48-11-2440 (M12™ XC 4.0Ah) |
| Package Quantity | 2 Batteries |
| Voltage | 12V DC |
| Amp-Hour Capacity | 4.0 Ah (each) |
| Battery Type | Lithium-Ion (REDLITHIUM™) |
| Electronics | REDLINK™ Overload & Temperature Protection |
| Base Design | Extended Capacity (XC) Free-Standing Base |
| Operating Temperature | Down to 0°F (-18°C) |
| Compatibility | All Milwaukee M12™ Cordless Tools & Chargers |
| Warranty | 3-Year Limited Battery Warranty |
Frequently Asked Questions
What is the advantage of an XC (Extended Capacity) battery over a CP (Compact) battery?
XC batteries feature a dual-row cell configuration providing 4.0Ah of capacity—delivering up to twice the runtime and increased sustained power under load compared to standard single-row CP 2.0Ah batteries. The broader, flat base also allows tools to stand upright on flat surfaces.
Will these batteries work in all Milwaukee M12 tools?
Yes. The 48-11-2442 battery packs are 100% backward and forward compatible with the entire line of 150+ Milwaukee M12 cordless power tools, work lights, and heated jackets.
Do these batteries work with standard M12 chargers?
Yes. They charge on all standard Milwaukee M12 chargers (48-59-2401), M18/M12 multi-voltage chargers (48-59-1812), and M18/M12 rapid chargers.
Can these batteries be used in sub-zero jobsite temperatures?
Yes. Milwaukee REDLITHIUM XC batteries are engineered with advanced cold-weather cell chemistry, delivering consistent fade-free performance in temperatures down to 0°F (-18°C).
Product Specifications
category_bullets: |
• Milwaukee M12 XC 4.0Ah Battery 2-Pack (48-11-2442) Core: Extended-capacity 12V lithium-ion batteries deliver 2X more runtime and fade-free power in extreme jobsite conditions. • 4.0 Ah Capacity. • 2-Battery Pack. |
selling_points: |
✔️ Extended Jobsite Runtime: High-capacity 4.0Ah batteries deliver up to 2X more runtime and increased power compared to standard packs. ✔️ REDLINK Intelligence: Overload protection. |
