The Milwaukee MX FUEL Battery Charger charges the MX FUEL XC406 Battery in 90-minutes and the MX FUEL CP203 Battery in 45-minutes, reducing user downtime and maximizing user productivity. The battery charger accepts all Milwaukee MX FUEL Battery packs and features REDLINK PLUS Intelligence and communicates directly with batteries to monitor cell voltage, temperature and charge status to optimize the performance and extend the life of the pack. As an added level of communication, the charger indicates when the battery reaches an 80% charge, providing users with the confidence that a substantial amount of work can be completed without having to wait for a full charge.