The Upp comes in two parts: the hydrogen cartridge on the left and the charger on the right.

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

The Upp fuel cell charger converts hydrogen to elecricity for your phone. It's eco-friendly and comes with a clever app that should point the way for all phones, but it has a few problems too.

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

Here you can see how big the Upp is, which isn't ideal.

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

Despite being designed for travel or camping when you're away from mains power, the Upp is far from portable.

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

The two snap together to form the charger.

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

The only by-products of this environmentally friendly device are heat and water vapour, which is vented from the charger.

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

The charger is about the size and weight of a sturdy torch.

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

The Upp charges most devices with a USB connection.

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

The charger comes with a clever app that allows you to fine-tune the charging process. In the left-hand screenshot you can see the remaining power in both the charger and your phone, and on the right you can see stats on the battery.

Read full review
Photo by: Screenshots by Rich Trenholm/CNET
Editors' Rating

Visit manufacturer site for details.

The hydrogen cartridge attaches magnetically to the charger. The hydrogen cartridges can be refilled but must be exchanged for new ones, which isn't cheap, at £10 (around $17).

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

Although eco-friendly fuel cells are a great idea and definitely a technology to watch, in this case the Upp is just too cumbersome and expensive.

Read full review
Photo by: Andrew Hoyle/CNET
Editors' Rating

Visit manufacturer site for details.

REVIEW

The most beautiful phone ever has one wildly annoying issue

The Samsung Galaxy S8's fast speeds and fantastic curved screen make it a top phone for 2017, but the annoying fingerprint reader could sour your experience.

Hot Products