Portable Backup External Power Charger Battery for iPhone 4/4S Best Price High Quality Paypal Accepted Fast Delivery Portable Backup External Power Charger Battery for iPhone 4/4SMini design, fashion, energy-supply for business and outdoor activities Having the power display function Security guarantee: shot-circuit protection,anti-overcharger, anti discharger protection Details:

Input: DC 5VOutput: C 5VOutput Current: 700mABulit-in lithium battery capacity: 3.7V 1800mAh

Portable Backup External Power Charger Battery for iPhone 4/4S