Features: Comes with one USB cable and 4 connectors(30pin, micro USB, mini USB, DC3.5), universal to meet charging needs of different phones or tablet PCs, such as iPhone 4/4s/3g/3gs, iPad 2/3, Samsung, Nokia, LG, Motorola, etc. Built-in 10000mAh high capacity lithium-ion battery for emergency use, and charged by solar power or via the mini USB port. Built-in intelligent control circuit brings multi-protection against overcharge, overdischarge, overload, overheating and short circuit. With LED indicator light to show the battery charging status and the battery level. Quick charging and high efficient power conversion. Environmental friendly, energy-saving, portable and practical.