The 250000mAh RAVPower Solar Portable Charger can charge three devices at once via USB, and can be charged via the sun (it requires 85 hours of laying in sunlight for a full charge) or via its own ...

This RAVPower charger has a claimed capacity of 20000 mAh, LEDs that show battery status, and it can charge 3 devices simultaneously. It offers a 18 month warranty, and comes with a USB-C to -C ...