Milwaukee 48-11-1813 is the M18 REDLITHIUM FORGE HD12.0 Battery Pack, engineered for professional users demanding the highest power, fastest charging, and longest life from their cordless tool batteries. This advanced lithium-ion pack is fully compatible with the Milwaukee M18 system, making it an ideal upgrade for users with high-demand M18 tools. Includes: (1) Milwaukee 48-11-1813 M18 REDLITHIUM FORGE HD12.0 Battery Pack Owner’s Manual Features: Delivers 50% more power than Milwaukee’s previous HIGH OUTPUT HD12.0 battery, enabling faster and more efficient completion of tough applications. Features COOL-CYCLE Active Cooling System, which provides high-speed cooling for reduced downtime in demanding applications, especially when used with compatible COOL-CYCLE chargers. Achieves an 80% charge in just 35 minutes when paired with the M18 Dual Bay Simultaneous Super Charger, drastically reducing charging time and maximizing productivity. Designed with a patented ingress coating and venting system for increased protection against jobsite, weather, and environmental conditions, and optimized for active cooling. Resistant housing protects against oils, greases, and solvents for enhanced durability in harsh environments. Equipped with REDLINK Intelligence, the battery's built-in circuitry delivers optimized performance and overload protection to safeguard both battery and tool. Enhanced onboard fuel gauge provides clear, easy-to-read monitoring even in direct sunlight. Fully compatible with Milwaukee’s M18 family (250+ tools), making it a versatile upgrade for fleet users. Specifications: Amp-Hour Capacity: 12.0 Ah Battery Voltage: 18V Battery Chemistry: Lithium-Ion Dimensions: Length 5.8 in, Width 3.4 in, Height 5.8 in Weight: 3.3 lbs Housing Material: Glass Filled Nylon Rechargeable: Yes Charger Included: No Manufacturer Warranty: 3 years Color: Black/Red Collections: This product is available in the following collections: Milwaukee Related Products: Milwaukee M18 REDLITHIUM HIGH OUTPUT HD 12.0 Battery Pack Milwaukee 100 ft. REDLITHIUM Lithium-Ion USB Green Rechargeable Cross Line Laser Level with Charger Milwaukee M18 & M12 Battery Charger View our Return Policy