From the Manufacturer
Etón NSP300B Mobius Rechargeable Battery Case with Solar Panel for iPhone
Double your iPhone's battery life with the power of the sun
If there's sun, there's power with the Etón NSP300B Mobius Rechargeable Battery Case with Solar Panel. With this trouble-free and form-fitting case you can charge your iPhone with one simple case.
Truly convenient technology from Etón!
The Mobius' battery is large enough to double your iPhone's runtime. The featured a rear-mounted monocrystal solar panel provides up to 25 minutes of talk time per hour of direct sunlight. Use for talk, internet, audio and video with this all-in-one case.
Sleek design with function
With open access to all ports and controls, and a compact and convenient size and design, the Mobius goes above and beyond other iPhone cases of its size. The monocrystal solar panel and an 1800mAh battery fit into this case measuring just about 20mm thick.
Now you can truly take your iPhone 4 anywhere! The Eton Mobius Rechargeable Batter Case with Solar Panel gives your iPhone 4 power with just solar rays. The high efficiency monocrystal solar panel provides optimum power and remains lightweight. It protects and powers your iPhone at the same time with its proprietary snap fit design that stays on and prevents the back from being scratched. A simple USB connection charges and syncs while the battery charge and solar charge indicators tell you how much power you've got. For extra power all you need is a little sun and the Eton Mobius Rechargeable Battery Case with Solar Panel for iPhone 4.