14w,16w,18w ThinFilm USB Port

4 Panel Foldable ThinFilm Solar Chargers

14watt, 16watt, 18watt sizes

USB port built-in for easy, on-the-go charging

Specs

14w: 15 volts; 1.2 amps

16w: 16 volts; 1.6 amps

18w:  17 volts; 1.8 amps

Buy Direct from Amazon