If you're going to be in the outdoors for extended periods, you might want this iPhone case to provide you more juice and even recharging your phone when far from a power outlet with its solar panel.That's a package you want to see in a smartphone case and should be a rugged one too. Check out the SLXTREME 5 iPhone case from Snow Lizard... "Featuring ruggedized waterproof protection & even more built-in battery-boosting power with an integrated 2550 mAh battery to extend your iPhone’s charge by more than 150%. It also includes a built in solar panel for emergency charging when you're away from a power source. Jam to your tunes in even the wettest environment with a 3.5mm audio jack.

The SLX is designed for ease of use and allows you to easily slide your iPhone 5 in and out of the ultra rugged polycarbonate case. Certified with a MIL SPEC 810G rating to protect your phone from 6ft. (2m) falls, dust and sand and a waterproof rating of IP-68 for up to 6 ft. (2m) depths. The most rugged, waterproof, battery-extending protection you will ever find for your iPhone5. The quick release latch makes it easy for you to quickly slide the phone into the case to ensure your protected."