nomorerack

This external battery for the iPhone 4/4S is an ideal and powerful companion for your endeared smartphone. It acts both as a protective case and as an excellent external battery pack. Designed with customized cut-outs, you don't have to remove the case to access all functionalities such as camera with flash and volume control. Stylish, slim fit and portable, this is a must have accessory. Want to know more? • Designed to provide power and battery life for your iPhone 4/4S • Compact and lightweight, • Built-in 1900mAh high capacity rechargeable Li-Ion battery. • Battery itself charged through USB port. • Lithium-ion battery • 1900mAh • Output voltage: 5V • Output current: 500mA • Standby time: Up to 230 hours • Talk time: Up to 6 hours • Internet use: Up to 5.5 hours; Up to 8 hours on Wi-Fi • Audio play: Up to 30 hours • Video play: Up to 8 hours • Includes USB cable and manual