Slim Battery Case for iPhone 4 / 4S - 1500mAh (Black)

The perfect fit to for your iPhone 4 and iPhone 4S, this slim battery case lets you add a powerful 1500mAh battery without adding much weight. Size matters in the world of iPhone accessories and contrary to what you may have heard, smaller is better. Well at least that’s the case with this ultra slim battery case for iPhone 4 or 4S. This sleek case features a powerful 1500mAh battery that allows you to use your iPhone for close to double the normal time and doesn't tack on much additional weight and size, still giving you that perfect iPhone 4 or 4S feel. Unlike 99% of the other iPhone 4 or 4S battery cases on the market, this one is so slim that you can easily put it in any jean or shirt pocket without noticing any difference at all. In fact, both the minimal thickness and weight of the case are hardly noticeable and will feel very natural in both your hand and pockets. The li-ion 1500mAh battery  can provide up to 6 and half hours of talk time while being connected to the 3G networ