Powerfully compact. When space is tight and every ounce counts, the Nomad 13 packs the perfect power source. Using 13 watts of highly efficient mono-crystalline solar technology, it's two small panels provide plenty of power and conveniently fold into a small, lightweight portable case. So whether you're backpacking, hiking, biking, snowshoeing or more, you can easily pack and carry your solar energy - compatible with all of your Sherpa, Guide 10 Plus, Switch 8 and Guardian gear.