The M18 Dual Bay Simultaneous Rapid Charger is capable of charging 2 battery packs simultaneously, over 3X faster than standard sequential chargers. The charger accepts all M18 batteries. Equipped with REDLINK Intelligence, this charger communicates directly with M18 batteries to monitor cell voltage, temperature and charge status to deliver the best combination of charge duration and pack lifespan. Simultaneously charging batteries at a rapid charge rate massively reduces downtime and maximizes productivity. Its compact size makes this an ideal charger to carry on and off the job, hang in a work trailer, or charge on the top shelf of a job box.