Bullet Points:1, Widely Used: The Solar Power Bank Charger does not have a built-in battery and will not have problems caused by high temperatures or strong sunlight. The standard USB output is suitable for mobile phones and other portable digital devices.2, High conversion efficiency: The solar panel charger uses silicon monocrystalline material, which provides a high photoelectric conversion rate of 19.9%. It is energy-saving, environmentally friendly and pollution-free.3, Durable material: The solar-powered charger has monocrystalline silicon solar cells. It is sealed with epoxy resin. The panel avoids scratches and is more durable.4, Easy to carry: The portable solar charger is easy to hold and can be taken outside. It has a portable frame design, which is suitable for travel, camping, hiking, cycling, and any outdoor activities.5, Multiple ways to fix: The solar phone charger can be used flexibly. You can secure it with the suction cups provided or tie it to your bag with a string. It has a slim and lightweight design. DescriptionSolar panel charger converts sunlight into electricity very effectively. The efficiency of monocrystalline silicon solar cells is as high as 19.9%. Equipped with a standard USB voltage regulator, it maintains 5-6V output. It is thin and lightweight, making it comfortable