I'm super happy with this unit. it ran a 500w speaker for over five hours Saturday night, and still had a 55% charge. Absolutely wonderful! However, I'm unhappy that this is now $60 cheaper a week after I purchased it, so I'll be returning it and repurchasing, I guess. Doesn't seem like there are any other options and what a pain, but $60 is $60!

I purchased this portable solar panel together with their solar generator. They work well together. I am in Las Vegas so we have very strong sun exposure and the 50W panel would charge the Solar Generator is 5-6 hours only (220Wh). The only thing to consider is, that it is so light weight, that it needs mounting to secure it from blowing away from wind, but that of course is expected. I did not see any discoloration of the fabric even having the panel outdoors and closed for a while. This is unusual in Las Vegas as our sun can seriously bleach most fabrics, thus, the outside fabrics used are also of good quality. I am happy with my purchase and it does the job as advertised.