Is the Power 266 water/weather resistant? GoSun Team August 05, 2021 15:29 Updated Yes, the Power 266 is water resistant. For optimal use, the Power 266 should be stored properly after use. Related articles How long will it take to charge by solar panel? By wall outlet? Can the Power 266 be plugged into both a device and solar panel simultaneously? Differences in Set Up What Accessories / Upgrades are Available? Where can I see one—or buy one? Comments 0 comments Article is closed for comments.