Descriptions:Compatible: iPhone 5Weight: 110gColor:BlackBattery type: Li-ion polymerBattery voltage: 5VCapacity: 2800mAhInput: 5V 500mAhOutput: 5V 800mAhCharging time: 4.8 hoursStandby time: Up to 480 hoursFeatures:Brand new and high quality.External 2800mAh Power Battery Backup Charger Black Case For iPhone 5.Smart Battery (Optimized to lengthen your Phone performance time; No more out of power dilemma during important phone coversations)Full Body Coverage for iPhone 5To charge the portable battery， simply plug the micro USB connector into iPhone port， and the other end to the power adapter or computer.Red light indicates charging.Green light indicates full charged.To charge the phone， just slide on-off switch to on.Unique， fashionable and high-class sliding design.Package Included:1 x Battery back case1 x USB cableMore details: