Even at 24 percent efficiency, Lenovo says the Yoga Solar PC’s panel “can absorb and convert enough solar energy from direct sunlight in 20 minutes to power up to one hour of video playback.” ...

The Yoga Solar PC can run off the power of the sun ... enough to help the Yoga Solar play video for one hour from just 20 minutes of charging in direct sunlight. Lenovo Yoga Solar PC concept ...

To quantify it, the panels on the Yoga Solar can absorb and convert enough light energy in 20 minutes to power around an hour of video playback on the laptop. That's not a ton, but considering ...