Hydrogen

UPP Portable Fuel Cell Power Pack

UPP Portable Fuel Cell Power Pack

need to stay off-the-grid for an extended period of time, like say, for about a week? in this case you can either lug along dozens of portable battery chargers to keep your portable devices juiced, or you could go with the UPP Portable Fuel Cell Power Pack which promised to deliver at least one week of charge even to the most power-hungry smartphones.