If you're looking for a compact, portable solar panel that you can take with you hiking or camping — or that will come in handy if the power goes out — Walmart has one on sale that could be ...

To do so, I got a small solar panel to mount onto the roof rack. I figured if I could just let it trickle charge while it’s sitting out in the sun, then I wouldn’t actually need to plug it in ...

The foldable, portable lightweight emergency panel is compatible with many iOS and Android devices, and it comes with four caribiners for easy carrying. It also has a 28W small solar panel charger ...