The best solar phone charger (solar panel and battery pack tested)
If you want to use solar energy to keep your smartphone or portable electronics charged, you can find hundreds of choices on Amazon. We took a close look at a few of them in an earlier article. While some of them do a pretty good job, it’s also true that most of them don’t work nearly as well as most people expect. If a product is advertised as a solar phone charger, you generally expect it to actually charge your phone on a sunny day.