Mobius by Eton

Charge your iPhone in a solar-powered case

With the recently released Mobius, a sleek new solar battery case for the iPhone 4, Palo Alto-based company Eton has upped the ante on green solutions for mobile devices. Mobius is a huge improvement over previous solar chargers that relied mostly on clunky external designs with limited mobility. Mobius users simply place the case in the sun and charging starts immediately. The pack can also …