Griffin PowerDuo Reserve


Reviews & hands-on

  • Phones 2 out of 5

    Griffin PowerDuo Reserve iPhone battery review

    By 10 November 2009

    We all know that the iPhone 3G and iPhone 3GS battery sucks, but what can you do about it? Griffin is hoping that its portable solution means you won't have to travel around with the charger wherever you go. But does it work? We got charging to find out....