BatteryCase Articles on TUAW - The Unofficial Apple Weblog

Powering an iPhone 4/4S with the sun: Etón's Mobius solar battery case

by Steven Sande (Mar 23rd, 2012)

There are times where you absolutely need to charge up your iPhone 4 or 4S, but you're nowhere near a power outlet. In those situations, you might fall back upon an iPhone battery case like the trusty Mophie Juice Pack Air I carry with me, but what happens when that battery runs out? No ...

First look: Exogear ExoLife battery case for iPhone 4

by Steven Sande (Jul 12th, 2010)

One of the more eagerly anticipated accessories for just about any new phone is an extended-life battery case. One of the first out of the gate for the new iPhone 4 is the Exogear ExoLife rechargeable battery case (US$89.95). It's only available for pre-order at this time, but is expected to start ...