ITEM NAME:4 in 1 USB Multi Battery Quick Charging Charger Hub for DJI TELLO RC Drone #gib Store Home Promotion Hot Item Add to Fav.Use LED indicator to display the status of each battery. Input power: 5V 3A (When input power is less than 3A, the LED display may be abnormal: flickering, extinguishing, alternating red and green; but its battery charging will not be affected, and the battery will eventually be full of electricity).