You’re the guy who cuts the handle off his toothbrush, just to save weight in your backpack, right? But what if you need to take your cell phone along, even if it’s only for emergencies? If that’s the case, you might also want to carry along a solar charger. It’s a lightweight, efficient way to keep your battery charged, and it’s completely environmentally friendly. Choose your next charger based on size and weight, convenience, and whether it includes features like a flashlight.

Size and Weight

This solar charger weighs 1.2 pounds, has three charging ports and an LED light bank. GoerTek

Serious backpackers weigh everything before deciding whether it belongs in their backpack, and casual backpackers wish they had. In addition to considering a solar charger’s weight, look at how large it is and how well it compacts or folds to slip into a pack pocket.

Convenience of Use

At 1.3 pounds, this water-resistant foldable charger offers convenient storage options in your pack. BigBlue

A weatherproof, durable charger that’s attachable to your backpack (so it can charge as you travel) is highly convenient for a camper on the go. Be sure to check compatibility with your devices needing charging, as well as how many charges it can store.

Additional features

This rugged 1.3-pound solar charger has two charging ports and an LED flashlight. Hiluckey

Additional features to consider include the number of available charging ports, compatibility with your devices, charging indicators and additional lighting.