Even if the world remains peachy-keen for the rest of your days, this solar-powered phone charger will come in handy. If you spend a lot of time outdoors, you’ll love the carabiner strap ...

WIDE COMPATIBILITY: Use this solar phone battery charger with ANY USB POWERED DEVICE with 5V DC input voltage. Compatible with iPhone X, 8, 7, 6s, iPad, Samsung Galaxy S9, 8, S7, S6, S5 ...

This half-inch square ultra-low power energy harvesting LiPo cell charger by [Kris Winer] uses a low voltage solar panel to top up a small lithium-polymer cell, which together can be used as the ...

Led by Professor Kwanyong Seo, the transparent solar cell and module has a glass-like, colorless, and transparent appearance.