SUAOKI Solar Charger 60W Portable Solar Panel Foldable High Efficiency 5V USB 18V DC Dual Output Charger for Laptop Tablet GPS iPhone iPad Camera Other 5-18V DeviceHIGH CONVERSION EFFICIENCY: charge with the power of the sun; the solar charger generates 60W output with up to 20% high conversion efficiency under 3. 8W Lux, providing enough power to charge two devices simultaneously PORTABLE POWER SOURCE: 5V USB and 18V DC dual output keep your USB DC devices full of juice, without having to rely on a wall outlet, or a power bank, and brings you an unplugged lifestyle FOLD UP AS A BRIEFCASE: when folded, the solar