Customized to charge DJI Mavic Air drone batteries. Recharges 3 Mavic Air batteries and remote control simultaneously with about 90% of electricity only 40 minutes. | Intelligent charge control 3 separate power rails one for each battery. Each power rail is 13. 05V at 4. 6A USB output is dual 5V 2A total of 180W. Worldwide compatible AC 100-240V. | Dual USB ports to charge 2 USB devices such as Mavic Air remote control smartphones tablets and other USB devices. | The LED will display each current and voltage in turn to know the status of all drone battery at any time. | Aluminum enclosure provides excellent heat dissipation. It protects the internal circuitry from outside elements. It is fire resistant non-conductive (anodization is non-conductive).