Portable Solar Powerbank gives your device power when they need it as it has a 7800mAh Capacity， two USB Outputs and a Lithium Polymer Battery.Solar Powerbank.This powerbank enjoys a fashionable design while also being portable and easy to carry. It is compatible with most of the main mobile phones and digital devices that are on the market. With a high 7800mAh capacity， you will surely have plenty of power to charge your devices. Leave it out in the sun to turn solar energy into useful power to charge your devices， which is ideal when there are no wall sockets about.Designed to provide power for your iPhone， iPad， iPod and mobile phones and comes with adapters so it can be compatible with Nokia， iPhone， iPad， MP3， MP4， and other devices. There are two USB outputs， so you can connect your devices via USB directly to this powerbank. Also this powerbank boasts a high efficiency of power conversion while also having a power-saving function. It is safe and reliable， perfect for using on travelling and outdoor activities.