20000 MAh Solar Power Bank External Battery Backpack Fast Charger With SOS Flashlight Powerbank For Smart Phone

20000 mAh Solar Power Bank External Battery Backpack Fast Charger Powerbank with SOS Flashlight Powerbank for Smart Phone Main Features: With two USB ports, you can charge phones, pads, or other small electronic devices simultaneously. Material: Solar panel, ABS plastic cover, silicone frame LED light works perfectly in the event of an emergency, especially in a crisis. SOS-NotSignal, so other people can find you Compass helps to find direction. Specification: Battery type: Li-Polymer battery - Capacity: 20,000 mAh - Input: DC5V/1.0A - Output: DC5V/1A, DC5V/2.1A Note: Even in perfect laboratory conditions, the efficiency of energy conversion from solar to electrical energy is very low.When used outdoors, it is also affected by the weather, location, or other factors.So the solar panel is not good if you are choosing to charge for the first time.We recommend that you start by charging it with a wall charger to ensure... To fully activate the battery. Included in delivery: 1 x Power Bank