Solar phone chargers work like traditional solar energy generators: They take energy from the sun, store it and turn it into usable energy that can charge a device via a USB-A or USB-C cable.

If you just need a solar charger for your phone and mobile accessories, the BigBlue 3 28W is a good option. It’s compact, lightweight, and pretty small once folded.

A solar-powered portable charger can be a lifesaver in times of need, and right now, you can get the Solpowben 20,000mAh Solar Charger at Walmart for only $17!

The Solpowben 3800mAh Solar Charger & Portable Power Bank is just $18 and has a 4.3 out of 5 star rating with more than 1,100 reviews. It comes in two colors: orange or blue (pictured below).

The BigBlue 3 USB Ports 28W Solar Charger is a must-have for hikers seeking reliable power solutions during weekend off-grid trips. This device has three USB A ports, so you can charge up to three ...

The SOLPOWBEN 38800mAh Solar Charger is a high-capacity power bank designed for cell phones. With its robust 38800mAh battery and solar panel, it offers reliable off-grid charging.

As it exists now, this technology can charge a phone at up to 2W, and is intended to pad out a phone’s reserved charge while it’s not in use. The solar case seems like a nice halfway option.

The team conducted a live demonstration where they used one of their 16 cm² transparent solar panels to successfully charge a mobile phone while exhibiting a PCE of 14-20%. This invention could ...