Review on ECEEN 20W Solar Charger Portable Panel With 2 USB Outputs, Waterproof Foldable Phone Charger For Camping Survival Gear Emergnecy Kit, Tablet GPS IPhone Camera & USB Devices by Debbie Calloway

I like this unit. It has an excellent visual appeal. All the seams and zippers seem well done. The panels produce great power when the full sun is on them. They charge my phone, tablet and Anker power brick quickly - again when there is full sun. I am ordering a voltage tester and will update this post when I have some data to share.One star deduction for the inner pouch which houses the USB connection unit. The rubber stopper/cover for the connection was very flimsy and never would sit securely in the opening it was supposed to protect. Because there is very little room between the unit and the back of the panel removing a plug is a lesson in care and one should pull it straight out. This is made difficult because the unit is right up against the top zipper and sits directly on the backing so there is not much room to take hold of the USB plug. Someone with large hands will probably have more of an issue. I was being careful and without realizing it pulled the rubber stopper off when I was removing a cable. Oh well, it is not like it was really doing anything but getting in the way.That all said, put this unit in some direct sunlight and it will do its job. :-)