For all the mobility of the modern age, we spend a lot of time tethered to stationary outlets, charging batteries. To help set you free, or just give you a way to charge a device in the great outdoors, we’ve pulled together a list of the best solar chargers out there. Solar chargers tantalize us with the promise of freedom – freedom from wall outlets and from power bills, juicing up batteries and smartphones by soaking up the sun’s rays. Solar chargers tend to fall into three styles: Power banks that have a solar panel attached, stand-alone solar panels for charging outdoors, and a few options that combine these two, pairing larger fold-out panels with a power bank. For on-the-go use, smaller power banks may be more convenient, but any solar capability offered by putting a single panel on the face of a portable battery is going to be limited. Solar-capable power banks can recharge entirely by sunlight, but it may take up to a week of sunny days to do so. Instead, these pocketable power backups are meant to be charged like any other power bank, but exposing the charged bank to regular sunlight will help keep the battery topped off. These external batteries do boast s...