... small daypack and laptop bag. The Voltaic solar bags are mobile power generators, designed to charge your ... you don't have a car charger, the bags come with a set of 4 standard adaptors for common cell ... and other devices.Embedded in the outside of the bags is a lightweight, tough, waterproof solar panels ... car charger (both included). This makes the Voltaic bags just as useful on the grid as off. solar ...