M18 REDLITHIUM FORGE 8.0Ah Battery - M18FB8 REDLITHIUM FORGE provides the most power, faster charging, and longer life vs standard REDLITHIUM batteries Delivers HIGH OUTPUT 12.0Ah power in a smaller size and lighter weight design COOL-CYCLE Active Cooling System provides high-speed cooling for less downtime, when paired with COOL-CYCLE capable chargers 35 minute supercharge to 80% and 45 minutes supercharge to 100% when charging one M18FB8 using the M18 Dual Bay Super Charger (M18DBSC) Longest life for the most recharges and best performance over the life of the pack Patented ingress coating provides increased protection to maximise active cooling through an upgraded venting design Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents Enhanced onboard fuel gauge with rubber overmold and improved readability in direct sunlight. REDLINK battery circuitry provides optimised performance and overload protection using total system communication between tool, battery and charger Fully compatible with the M18 system, featuring 250+ tools M18 Dual Bay Super Charger - M18DBSC Charges the M18 REDLITHIUM FORGE 6.0Ah Battery to 80% in 15 minutes and 100% in 25 minutes. 2 x M18 ports, compatible with all M18 batteries. Capable of simultaneously charging up to 2 batteries leveraging CHARGE ADAPT to distribute power between bays for the best charge experience. Integrated hang holes for wall mounting. COOL-CYCLE Active Cooling System provides high-speed cooling for less downtime. Active cooling feature works with batteries that have COOL-CYCLE capability. More economical for the user. Less batteries are needed due to better cycle life and benefits of fast charging.