Specifications: Input voltage: AC 100-240V Battery port output: 17V/2.0A (MAX) *4 USB port output: 5V/3A Charging time: About 110 minutes for 4 batteries Charging temperature: 7-40 degrees Celsius Product size: 13.3*13.3*3.4cm Package size: 22.3*17.6*5.8cm Net weight: 640G Packing weight: 767G Compatible with Mavic Air 3