1. The power bank has a large battery capacity of 42800mAh and uses high-density batteries to load a larger capacity without changing the volume and weight. Whether you are at home or on the road, the power bank can quickly charge your mobile phone and keep your mobile phone away from the trouble of running out of power. 2. The power bank is equipped with an ultra-bright long-range LED flashlight that can work continuously for up to 100 hours. Don't worry about the fear of the dark, the power bank flashlight will light your way home. 3. The solar power bank uses solid professional ABS material, which is resistant to chemical corrosion and heat, and has super surface hardness, high elasticity and toughness. IP67 waterproof, drop-proof and dustproof, so you no longer worry about damage caused by water/dropping, and it can work in extreme environments. With more than 1600+ charging life cycles, it is very reliable and durable. 4. The solar power bank is compatible with all USB devices such as smartphones and tablets. The product is equipped with 2 USB output interfaces, which can support QC3.0 fast charging protocol if the device is compatible. Whether you are camping or on the way home, you can enjoy the convenience of solar charging. Keep a good mood.