Feature 1[Color Display] The drone battery charging hub is designed with a color display. You can easily check the battery level without putting batteries into the drone by pressing the function button. 2[4 Ports] Drone battery charger is suitable for DJI mini 3 Pro mini 3 and can put in up to 4 batteries (for Mini 3 Pro standard battery and long lasting battery can be charged together). 3[Storage Mode] Long press the function button for 2 seconds in charging mode to switch to storage charging mode. Charges batteries below 62% to 62% and stops automatically, suitable for long term battery storage. 4[Power Bank Function] This UAV battery charger can also convert for MINI 3 Pro batteries into power bank to charge other USB devices, such as remote controls, cell phones, etc. 5[Support Fast Charging] The drone charging hub supports PD fast charging to save your time. Built in multi protection with overcharge protection to enhance the safety and life of the battery.SpecificationItem Type: Drone Battery Charging HubShell Material: PlasticProduct Size: Approx. 18 x 5.5 x 3cm / 7.1 x 2.2 x 1.2inColor: GrayInput Voltage: 5V-15V 3A; 20V 3.25ADC Output: 8.5V 3.5A x 2Single Output: 8.5V 3.5AUSB Output: 5V 2.0A(Maximum)Charging Time: Input PD65W, Charge 4 Standard Endurance Batteries (2453mah) About 100 Minutes, Charge 4 Long Endurance Batteries (3850mah) About 135 MinutesApplicable: For DJI Mini 3 Pro Mini 3 Drone Standard Battery and Long Endurance Battery .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x DroneBatteryChargingHub2 x Charging Cable1 x Instruction ManualNote1. Manual measurement, please allow some errors.2. Storage mode can only store and charge batteries with a power level of 62% or less, and the storage function cannot be used when the power level is greater than 62%.