Drone USB Battery Manager Smart Charger for DJI Mini 3/MINI 4 Pro/3 Pro Features: 1.Can check the battery level . 2.Storage Mode: long press function button for 2 seconds in charging mode can switch to storage charging mode. Storage mode can charge batteries with less than 60% power to 60-65% and then stop automatically, which is very suitable for long-term battery storage. Tip: 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%. 3.Can convert the MINI 3 Pro battery into a rechargeable treasure to charge other USB devices. 4.Support PD fast charging. 5. Up to 2 batteries can be put in (Mini 3 Pro standard battery and long life battery can be charged together) Specification: Applicable models: For DJI Mini 3/MINI 4 Pro/3 Pro Input: 5V/9V/12V/15V--3A Output: 8.5V/8.6V--2.6A*2 Single output: 8.5V/8.6V--3.8A(max) USB output: 5V/2A(max) Charging time: Input ≥ PD 45W Fill 2 pieces of 2453mAh battery about 60 minutes; 3850mAh long life battery about 80 minutes Product size: 11.9*8.2*3.1CM Packing size: 12.5*8.9*2.9CM Net weight:98g(without cable weight) Package weight: 145g Package Includes: 1*Charger 1*USB-C to USB-C cable 1*USB-A to USB-C cable Notes: The package does not include drones and other, other products. Thanks!