This product is the most eco-friendly powerbank in the world. First of all, it works with separate components, so much easier to recycle at the end of lifetime. Further on the powerbank works with replaceable 18650 Lithium batteries. After lifetime of the batteries, you do not need to throw away the powerbank: just buy new batteries and your powerbank can operate again.
The protective pouch also acts as a stand for the solar cell, so you can get a more perfect charging angle towards the sun with enlarges the charging performance.