... Key Specifications/Special Features:· Main properties: o High-quality polymer/aluminum shell core o Large capacity, double USB output, wider ... 500mAo Specification: 110 x 70 x 16.5mm o Solar specification: 5.5V, 130mA· Using instructions: o Charging time: about 8 hours, the ... -circuit, over-current, over-charge, over-discharge, under voltage o Match products: 5V voltage mobile phones, PDA, MP3/MP4, ...