Gadgets and the great outdoors aren’t always the best of friends. There are the elements to contend with, plus the wear and tear that comes with hours or days spent in a backpack.
But the biggest problem with taking technology out of civilization’s reach is the lack of power outlets. Even when you aren’t using your phone, it might be secretly betraying you, burning through battery life trying in vain to find a cell tower. And depending on where you plan to hike, camp, or otherwise survive, your backup power needs could range from running a portable speaker to calling for a medical evacuation. Here are our picks for the best backpack-friendly power products, for whatever kind of excursion you’re prepping.