... for iPhone, 7,400mAh Capacity, Aluminum with Wire Drawing, PC/ABS Frame : Key Specifications/Special Features:Specifications:Lithium-polymer batteryDimensions: 115 ... and technique: 5052 imported aluminum with wire drawing, PC and ABS frame with vacuum platingFeatures:Auto detecting for the charging current ... for iPhone, 7,400mAh Capacity, Aluminum with Wire Drawing, PC/ABS Frame