... , flexible, foldable 4W 6V Folding Flexible Solar Panel Charger for Mobile Phone, MP3, MP4 Power 4WOperating voltage6VOperating current0.66AWeight210gSize560* ... , portability and emergency purposesCustomized designslabels, sizes, actual solar panel power, voltage, current and solar light impact strength ranges ... smooth film 4W 6V Folding Flexible Solar Panel Charger for Mobile Phone, MP3, MP4