The good: The Medis 24/7 fuel cell Power Pack is quick to set up; includes many adapters to support late-model cell phones, MP3 players, cameras, and gaming gadgets; fits inside a car glove box; recyclable materials include chemicals and packaging; replacement fuel cells extend its life.

The Medis 24/7 fuel cell Power Pack is a great back-up gadget electricity supply for emergencies and camping trips.
Review:
The Medis 24/7 Power Pack is among the first consumer devices that uses a fuel cell to charge portable gadgets. For being the first of its kind, it's a novelty, but the Power Pack is more essential than other digital accessories, should you need to fire up a dying cell phone in an emergency.
We reviewed the 1-watt, 24/7 Power Pack, which works for most smart phones and MP3 players, as well as some portable DVD players and gaming toys including the Nintendo Game Boy. The more powerful, 4-watt Xtreme version of the Power Pack will charge an iPhone.