Apple iphone 4g,8g,16g, battery replacement - EXTERNAL For the Apple iphone Replaces Mobile phone batteries CS-IPH290EX FITS Following Appple iphones 4g, 8g, 16g, This 3.7v battery is designed for the Apple iphone with a capacity of 2250mAh , it is manufactured by our ISO 9001 certified supplier to a very high standard. As we supply a very large range of batteries we cannot always have stocks of the slower moving lines as batteries have a shelf life and we insist on quality control for our customers, which may mean slightly delayed shipment date, where this is necessary you will be advised by email. Battery Type: Li-ion Polymer Battery Voltage: 3.7V Battery Capacity: 2250