Like have 30000mah Dual USB Portable Solar Panel Power Bank With LED power indicator. Built-in 30000mAh high capacity rechargeable Li-Ion battery. Environment protect, save resource: You can use solar energy to charge your mobile phone wherever and whenever. Exquisite workmanship, high-capacity Equipped with an over-charge protection which effectively extending the battery life,make you use safely Simple and luxury appearance, ultra-thin aluminum alloy shell design, variety of color, fashion, cute,small and compact, easy to carry; Shipped and Guaranteed by AMP MALL Note: For the first three times of charging, please use wall charge and make sure to charge it for at least 6 Hours to achieve maximum performance, thank you!