15.6″ laptop backpack including 3rd generation highly sensitive and enhanced solar panel from #1 solar brand SunPower. The solar panel power is 14W and can charge a iPhone in 3-4 hours. Perfect for charging your phone, camera or powerbank on the go. The solar has 2 USB outputs for example charging 2 phones. It also carries 1 extra side usb port suitable for connecting any powerbank. The solar uses no battery, the sunlight will be transferred directly into energy. Registered design?