FORGE Offers Most Power, Faster Charging & Longer Life vs Standard REDLITHIUM Batteries! The M18 REDLITHIUM FORGE 12.0Ah Battery delivers 50% more power than the HIGH OUTPUT 12.0Ah Battery, with high-speed cooling when paired with M18 chargers with COOL-CYCLE functionality for less downtime in high-demand applications, 35 minute supercharge to 80%, and the longest life vs standard REDLITHIUM batteries. The M18 REDLITHIUM FORGE 12.0Ah Battery is COOL-CYCLE capable, with this Active Cooling System providing high-speed cooling for maximising efficiency for less downtime. An upgraded venting design maximises active cooling, while a patented ingress coating provides a protection barrier against water and debris. When paired with the M18 Dual Bay Super Charger (M18DBSC), the M18FB12 charges to 80% in 35 minutes, and 100% in 45 minutes, allowing users to maximise productivity. This lithium-ion battery has the longest life, the most recharges, and maintains ultimate performance over the life of the battery. The battery is also designed with a resistant housing for increased protection against exposure to common oils, greases, and solvents. Built-in REDLINK Intelligence protects the battery from overloads, preventing users from damaging their cordless power tools in heavy-duty situations. The REDLITHIUM FORGE 12.0Ah battery is fully compatible with 250+ M18 solutions. Features REDLITHIUM FORGE provides the most power, faster charging, and longer life vs standard REDLITHIUM batteries Delivers 50% more power than the HIGH OUTPUT 12.0Ah Battery COOL-CYCLE Active Cooling System provides high-speed cooling for less downtime, when paired with COOL-CYCLE 35 minute supercharge to 80% and 45 minutes supercharge to 100% when charging one M18FB8 using the M18 Dual Bay 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.