Yes. The batteries don't generate any power, they just store it. The Solar Impulse has batteries -- that's what lets it fly at night for example. See [1] for

Yes. The batteries don't generate any power, they just store it. The Solar Impulse has batteries -- that's what lets it fly at night for example. See [1] for a bit more detail on how energy is managed at night. [1] http://solarimpulse.com/timeline/view/6437 http://solarimpulse.com/timeline/view/6437