I've got the whole world in my hand! With GreyLime's Power Stone and a capacity of 10,400 mAh, you are not to be missed! You are 'good to go' with what corresponds to four times a normal charge. So you can surf and stream endlessly without having to worry about running out of power. It is e.g. practical if you are at a festival. This GreyLime model is an upgrade of the previous test winner in tech supplements in Politiken, Ekstra Bladet and Jyllandsposten, where it received 6/6 stars and, among other things, highlighted for its conversion power and electronics of the highest quality. The upgraded model now offers fast charging via USB-C PD.