What you are viewing is 1500mAh Universal Multi-function usb Solar Power Charger. This item can be used as a battery generator and a storage battery.In a sunny day, this usb solar charger can transfer the light energy into electric energy which can charge your phone, MP3, camera or other digital products. If it is a rainy day, you can charge this item by USB cable. This item has several advantages: easy to use this item, environment-friendly solar energy, fashion appearance, portable to carry it. From now on, you won’t need to worry about the charging of your phone when you go outside for work or travel etc because this item could solve the problem easily. The 1500mAh Universal Multi-function Solar Power Charger is really environment friendly and user friendly.You can choose the color according to your unique taste. Why not choose one right now?