1.Polymer battery 2.Capacity:2200mAh 3.Nice for gift 4.Intelligent over charge 2200mah power bank for iphone5 FeaturesThe Power Pack will extend the batteryYour iphone bydoubling its charging capacityEnjoy your iphone for voice,music,video,game and businessapplications with exteded,stable power.You can experience up to 2 days or more of uninterrupted iphone power,depending on your usage.Product ...