Laying out in the sun may be seen as a lazy activity, one that doesn't get anything productive done. Well, that's mostly true. But you can at least make yourself feel somewhat productive by charging your gadgets while you take a tanning nap.
The Powerbrella is a patio umbrella that has solar panels on its top surface. While you relax in the shade, it uses the sun's rays to provide power for outlets in its base. This lets you keep your phone charged while you nap, which totally balances things out. Yeah, you were working. That's it, working.