The MILWAUKEE M12 & M18 Super Charger charges batteries faster than standard MILWAUKEE chargers, massively reducing downtime and maximising productivity. The charger accepts all M12 & M18 batteries, providing an upgrade for both M12 & M18 systems. The M18 REDLITHIUM -ION HIGH OUTPUT 12.0Ah battery fully charges in only 1 hour. HIGH OUTPUT batteries are optimised for use with Super Charger, each built with premium components for superior charging capability. Featuring REDLINK Intelligence, the dual battery charger communicates directly with each battery to monitor cell voltage, temperature and charge status to optimise the performance and extend the life of the pack. The Super Charger identifies the fastest charge rate for each M12 or M18 battery pack inserted, adjusting to charge each in the shortest amount of time possible. Features: Charges batteries faster 80% charge indicator: the charger slowly flashes green when the battery reaches 80% state of charge Integrated hang holes Compatible with all M18 & M12 batteries Sequential charging: automatically charges the second inserted pack once the first pack is fully charged REDLINK Intelligence: Charger communicates with the battery pack to ensure optimum performance and extend life Resources: General Power Tool Safety Warning Operator's Manual (M12-18SC)