DJI Mavic 3 Battery Charging Hub (100W) is designed for use with Mavic 3 Intelligent Flight Batteries. When used with the DJI USB-C Power Adapter (100W), it can charge up to three Intelligent Flight Batteries in sequence from high to low power levels. The charging time for one battery is approximately 1 hour and 10 minutes. 
When connected to a 100W portable charger or car charger, DJI Mavic 3 Battery Charging Hub (100W) can charge up to three batteries in sequence.