Here is a cooler that doubles as a solar charger for your smartphone. The IceCove Norah 60-Quart Solar Cooler keeps your food fresh and cold. It is fully insulated for ice retention for days. It has 2 built-in bottle openers and 4 on-top bottle holders.
This cooler has 2 rear wheels and a foldable handle for easy maneuvering. It has a 5V 1A solar charger.