If you want extra juice for your iPhone, there aren’t that many options out there that don’t look rather goofy. They’re bulky, corded, or just plain ugly. But the PhoneSuit battery is a nice cange—only 17 mm thick.
HyperMac, our favourite external batteries, just updated the Hypermac Mini and Micro with charging support for the iPad and iPhone 4. Batteries are boring but HyperMacs are great. Plus you can express yourself through 10 different colour choices!