ereviews.dk:

»It's incredibly convenient to just put the power bank on the back of your phone if you need a little power. I didn't even take my phone cover off. The term SemiSolidState in the name means that it has a more modern battery construction, where the dangerous liquid in traditional lithium batteries has been replaced with a thicker and less reactive gel. These are the next generation of batteries, where they are safer, can hold more power and can withstand more charging and discharging. The Sandberg SemiSolidState Magnet Powerbank 10000 also has a capacity of 10000 mAh despite its compact shape.«