Dual USB output: Charge 2 devices at the same timeCompatible with any phone, tablet, and USB charging devicesBattery indicator with percentage bar displaySlim and lightweightIntelligent voltage recognition chip for automatic voltage detectionBuilt-in battery protection IC to prevent overcharging, over-discharging, and short circuitCapacity: 10000mAhInput: 5V / 2A (Micro USB)Output: 5V / 2.1A (both ports)Rated Output: 6300mAh, 31.5WhBattery Type: Lithium Polymer, 3.7V / 10000mAh, 37WhWorking Temperature: -10C to 45CStandby Time: 5000 hoursCycle Life of Charging: 500 cycles (0% to 100% per cycle)Indicator Light: YesTorchlight: NoNet Weight: 188gDimensions: 132.5 x 66.5 x 14.5 mm