Our M18 REDLITHIUM FORGE HD12.0 Battery Pack delivers 50% more power than the HIGH OUTPUT 12.0, high-speed cooling for less downtime in high-demand applications, 35-minute supercharge to 80%, and the longest life vs REDLITHIUM batteries. REDLITHIUM FORGE are our most powerful, fastest charging, and longest-life batteries. The M18 REDLITHIUM FORGE HD12.0 delivers 12 amp hours of runtime with 50% more power than the HIGH OUTPUT 12.0, providing optimal power and runtime for demanding applications. The M18 REDLITHIUM FORGE HD12.0 is COOL-CYCLE capable. COOL-CYCLE Active Cooling System provides high-speed cooling for less downtime. Patented ingress coating provides increased protection to maximize active cooling through an upgraded venting design. The high-speed cooling feature works with M18 chargers that have COOL-CYCLE capability. It is also designed with resistant housing for increased protection against exposure to common oils, greases, and solvents. REDLINK Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations. The M18 REDLITHIUM FORGE HD12.0 battery is fully compatible with 250+ M18 solutions. Paired with our M18 PACKOUT Six Bay RAPID Charger is the first dedicated charging solution compatible with the MILWAUKEE PACKOUT modular storage system. This Six Bay RAPID Charger charges two batteries simultaneously at a RAPID charge rate.