The M18 Dual Bay Simultaneous Super Charger is designed for optimal productivity, providing up to 6X faster charging to 80%. In just 15 minutes, it can charge an M18 REDLITHIUM FORGE XC6.0 Battery to 80%, minimizing downtime. This Super Charger can simultaneously charge two batteries, utilizing CHARGE ADAPT Adaptive Charge Distribution to maximize efficiency. The CHARGE ADAPT LED light indicates the battery receiving the most power for quicker charging. COOL-CYCLE Capable features an Active Cooling System for reduced downtime and works with M18 batteries equipped with COOL-CYCLE capability. The charger communicates with the battery through REDLINK Intelligence to optimize performance and extend pack life, it is compatible with all M18 Batteries. 5-year warranty.