1.Suitable for Mobile Phones, Digital Cameras,MP3/MP4 ... MP3, MP4 etc. Based on the lithium polymer battery’s advantages of longer rechargeable life, light in weight ... time, anywhere. Key Specifications/Special Features: 1.Suitable for Mobile Phones, Digital Cameras,MP3/MP4 Player and ... hanged on the backpack . Product’s parameter:Built-in battery capacity: 1450mAh/ (Li-Pol batteries) Solar panel: 5 ...