The DJI Mavic 3 Hub is a convenient accessory for simultaneously recharging up to three Intelligent Flight Batteries. With a 100W power output, the hub efficiently charges batteries in sequence, starting with the one that has the most power. This helps ensure that your batteries are always fully charged and ready for use without requiring your constant attention. Connect the hub to an AC outlet and insert up to three Mavic 3 Intelligent Flight Batteries (sold separately) to begin charging. Please note that a DJI 100W portable charger is required to use the hub and is not included with the product