Bests & Worsts Reviews from Amazon

I'm in the US Marine Corps. I had to spend a week in the field with no access to a power source. I bought this product in hopes that it would be able to keep my phone charged through the duration of my field ops. It performed perfectly and did everything go expected it to. I also had a 10,000 mAh back up battery pack. I used the Anker charger to charge up my battery pack during the day then I would charge my phone with the battery pack at time when I had time. With 2 hours of direct sunlight it was able to charge my back up battery to full charge every day. So basicly I kept my phone charged using it consistently for over a week with no power source other than the sun.