Features and Benefits: 50% More Power vs HIGH OUTPUT HD12.0; COOL-CYCLE Active Cooling System provides high-speed cooling for less downtime with COOL-CYCLE capable chargers; 35min Supercharge to 80% with the M18 Dual Bay Simultaneous Super Charger; Longest life for the most recharges and best performance over the life of the pack; REDLITHIUM FORGE provides the most powerful, fastest charging, and longest life batteries within REDLITHIUM; Fully compatible with the M18 system, featuring 250+ tools; Patented ingress coating provides increased protection to maximize active cooling through an upgraded venting design; Best protection from jobsite, weather and environmental conditions; PWR Level 5 on the REDLITHIUM Power scale; Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents; REDLINK Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery and charger; Enhanced onboard fuel gauge with improved readability in direct sunlight; 3-year battery warranty; Includes (1)M18 REDLITHIUM FORGE HD12.0 Battery;