Feature:1. Fast Charging: Simultaneously charge 3 batteries. With a 30W charger, batteries can be fully charged in approximately 135 minutes.2. Smart Chip: The charging hub provides overvoltage protection, overcurrent protection, overpower protection, and temperature protection, ensuring the safety of the batteries during charging.3. Safe and Portable: The charging hub provides storage for the batteries to protect them from damage. Battery power information can be easily accessed by plugging and unplugging the batteries.4. Strong Compatibility: Suitable for DJI Mini 3 Mini 3 Pro 2453mAh batteries and 3850mAh batteries, ensuring professional use performance.5. Professional and Practical: The battery can be recharged via the USB C output, which is safe and reliable, and the professional performance ensures high efficiency.Specification:Item Type: Drone Battery Charging Hub.Material: Plastic + ElectronicsModel: JH-MINI3-3CInput Voltage: 5V 9V 12V 15V 20V-3A(Maximum)Output: 8.5V= =4A (Maximum)Type C Output: 5V3A, 9V2. 2A, 12V1. 66A, 15V1. 33AApplication: Fit for DJI Mini 3 Mini 3 ProPackage List:1 xBattery Charging Hub1 x Charging Cable 1 x User ManualNote:It is recommended to use for DJI 30W USB C charger or other charger that supports USB PD fast charging protocol.