30000mAh Dual USB Portable Solar Battery Charger Power Bank For Cell Phone Samsung Htc Ipad Environment protect, save resource: You can use solar energy to charge your mobile phone wherever. small and compact, easy to carry,Simple and luxury appearance, ultra-thin aluminum alloy shell desig With LED power indicator. Built-in 30000mAh high capacity rechargeable Li-Ion battery. Equipped with an over-charge protection which effectively extending the battery life,make you use sa package: Solar Power Bank + 4 charging adapters