Charging: Protect your favorite smartphone and give it a power boost at the same time with the aptly named PowerSkin line of products. Ranging in price from $49.99 to $79.99, these one-piece, non-slip grip cases are made from impact-resistant silicone rubber. The battery can double the phone’s life between charges (though it varies slightly between models). These cases also include a small micro USB recharge port and cable to connect to a computer or AC outlet, and an LED status light that shows you how much power remains. A list of all supported models is at power-skin.com.
