... 24W 18V Multi-function Portable Solar Charger for Laptop, Mobile Phone, MP3, MP4 Key Specifications/Special Features: Power 24WOperating voltage18VOperating current1.33AWeight1020GSizeExpanded: 245 ... , portable power supply, and radioSuitable for consumer groupsgift, outdoor sports, cross country, portability and emergency purposesCustomized designslabels, sizes, actual solar panel power, voltage, ...