Feature: 1 Storage mode: The storage mode can automatically quit charging batteries with less than 60% battery strength until they attain round 60% Storage with out a or complete fee of the drone's battery could cause battery decay and bulge Long term storage of 60% battery power is favored 2 Discharge mode, can be used as an influence bank: convert the AVATA 2 battery to an influence bank, which might payment USB instruments (i discharge the battery) three Full fee mode, totally payment the battery to be used Parameters: Input voltage: 5V-20V/3A (Max) Output: 17/3 (Max) USB output: 5V/2A P roduct weight: eighty five g Packaging weight: 129 g Product size: 14 * 3 * three Packaging size: 14 * 3 * 5 Product Name: For DJI Avata 2 Three way Charging Hub Charging time: Input 65W for about forty five mins in keeping with battery; Two batteries for about 90 minutes; 3 batteries for about a hundred thirty five mins Packaging list: 1* three way butler 1* USB-A to USB-C charging cable 1* USB-C to USB-C charging cable