These things may look neat but they are really just gimmiky as solar panels that small really can't put out enough power to charge much unless you really don't use your phone. Plus you would have to leave the solar panel out in the sun to do anything.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.