Meet the EnerPlex Commandr 45 Solar Charger: another kit that lets you charge your tablets and laptops outside. You get 45 watts of power and can connect up to 6 Commandr solar panels to have even more power. Solar power is converted to 19V, 12V, and 5V USB power to charge a variety of devices.
A regulator box included with your purchase. More info is available here.