Features: Brand new and high quality You can check the battery levels. Up to 3 batteries can be placed and charged in descending order of charge. High battery capacity should be charged first (not simultaneously). Storage modes: In charging modes, long press the button for 2 seconds to switches to storage modes. The optimal battery level for long-term storage of Drones electric vehicles is 60%. In storage modes, batteries with a battery level belows 60% can be charged to 60% and then automatically stopped. After the storage is completed, display Done. (Only batteries with less than 60% battery capacity can be stored and charged, and the storage function cannot be used when the battery capacity is greater than 60%.). Supports PD fast charging. Used for Mavic3 Pro Drones. Specifications: Material: ABS Input: 5V/9V/12V/15V-3A; 20V-5A Output: 17.6V/5.5A (100W) Size: 18x5.5x3cm Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC Battery Charger