Quality replacement for Apple iPhone 4S, 616-0579, 616-0580, Apple IPHONE 4S 16GB,32GB, 64GB, Apple MC918LL/A, Apple MC919LL/A, Apple MC920LL/A, Apple MC921LL/A, Apple MD269LL/A, Apple MD276LL/A, Apple MD277LL/A,l Apple MD278LL/A, Apple MD279LL/A, Apple MD280LL/A, Apple MD281LL/A, Apple MD377LL/A, Apple MD378LL/A, Apple MD379LL/A, Apple MD380LL/A, Apple MD381LL/A, Apple MD382LL/A, 1420mAh, 3.7v, Li-Pol, by Empire 3.7V 1432mAh Lithium-Ion Polymer