Not much power (less than 1 Watt) in cloudy conditions, but surprisingly good output (8.2 Watts) from this USB solar panel under strong September sunlight. I’d estimate 10W could be achieved in the middle of summer, which would charge a phone quickly and easily. Neat and compact design.
Suaoki 16W USB Solar Panel links:
Amazon UK: http://amzn.to/1UC5avz
Amazon US: http://amzn.to/1Nd7Wa4
Note: Some items in this video were supplied at zero cost.
Post time: Jul-08-2017