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 Brandon Doctore

This solar panel is awesome for any camping or hiking trip! Personally, I will keep this in my camera bag just to always have access to some 5V goodness. I would highly recommend buying a cheap portable charger and having this charge the portable charger. When I first received this product I wanted to test it out so I took it outside. In my case it was a cloudy and windy day so the amperage I got from this was all over the place. On that day in particular I was averaging around 500mah but it kept going up and down. A portable charger would allow you to charge your phone with a constant amperage while the solar panel tops up the portable charger. There is a very convenient pouch that houses the usb port that would work great for this.This solar panel is decent in size and very efficient so I you can expect to get atleast half an amp even on a little cloudy day. On a fully clear sunny day you can probably get 1Amp+ which is really impressive for the size of this guy,