Milwaukee M18 REDLITHIUM FORGE HD12.0 Battery delivers power, longevity, and fast charging for high-demand applications. This battery pack 50% more power than the HIGH OUTPUT 12.0 battery, ensuring you have the energy needed for the toughest jobs. Featuring high-speed cooling, it reduces downtime and extends battery life, charging up to 80% in just 35 minutes when used with the M18 Dual Bay Simultaneous Super Charger. Designed with the COOL-CYCLE Active Cooling System, it provides enhanced cooling through an upgraded venting design for optimal performance even in extreme conditions. The durable housing resists exposure to common oils, greases, and solvents, making it reliable on any worksite. Equipped with the REDLINK Intelligence system, it protects against overloads to prevent damage to your tools during heavy-duty tasks. Fully compatible with over 250 M18 tools, the REDLITHIUM FORGE HD12.0 battery ensures the longest life, fastest recharge times, and highest performance for your cordless power needs. Model Number: 48-11-1813