The capacity 22,400 mA / h allows fully charge 6 times a high-end smartphone, tablet or two, or a good fifteen batteries GoPro: not bad .. and as it has 3 output ports, you can charge 3 devices at the same time. One regret all the same, only one of these ports provides 2A output voltage allowing rapid charging.
Like all high-capacity batteries, it is a bit heavy: 440 grams in my kitchen scale .. do not even think of carry in a pocket.
The presentation is one, there is no research in design, and plastic of the shell is not a particularly flattering appearance. However, for a commercial purpose that is not particularly troublesome, and the materials are solid.
The price "promo" of forty euros instead at the same price level as the competing proposals, the "normal" price of 79.99 is excessive.
Erwann on Amazon.com