OverviewThe Tello Battery Charging Hub is designed for use with Tello Flight Batteries. It can accommodate up to three Tello Flight Batteries at the same time. The Tello Battery Charging Hub charges batteries in sequence according to their voltage levels, from highest to lowest.TipsThe Battery Charging Hub does not include a charger. Please use it together with a standard charger.In the BoxTello Battery Charging Hub × 1SpecificationsModel: G1CHCompatible Battery Model: GB1-1100mAh-3.8VOperating Temperature Range: 41° to 113° F (5° to 45°C)Input Voltage: 5 VInput Current: 3 A (MaxWeight: 1.0 oz (29 g)Charging Time* (Three batteries): Approx. 2 hours* Charging time was tested in a laboratory environment using a CE certified USB adapter rated at 5 V and 2 A. This value should be taken for reference only.CompatibilityTello Flight Battery