8 Best Solar-Powered Phone Chargers for Powering Up on the Go

Key Specs

• Dimensions: 6.3 x 11.1 x 1.1 inches (folded); 26.2 x 11.1 x 0.4 inches (unfolded)
• Ports: Two 2-amp USB ports
• Weight: 17.3 ounces

The Nekteck 21W Solar Charger’s three solar panels are rated at 24% efficiency, which is slightly higher than most on the list. They output 21 watts to two USB ports so you’ll be able to charge your phone in a few hours.

These panels are also waterproof in case you get caught in an unexpected rain shower. It folds down to a compact size to store in your backpack, but also has grommets if you’d rather hang it from the outside of your pack so it can soak up the sun.

Key Specs

• Dimensions: 6 x 6 x 6 inches (inflated); 6 x 6 x 1 inches (flat)
• Ports: One 2.1-amp USB-A port
• Weight: 8.5 ounces

If you’re going camping, this inflatable lantern is a great option. Not only does it provide 130 lumens of light for up to 50 hours, but you can also use it to charge your phone. It’s equipped with a built-in 2,000 mAh battery that will be fully recharged after 12 to 14 hours of sunlight (or 1 to 2 hours plugged into a wall outlet). It has five brightness settings and is completely waterproof and shatterproof.