Apple's original battery is made in Desai, so this is the first choice. The second choice Scud, the old brand of mobile phone battery, I bought a charging head of their, dual USB and can also support 7p fast charge, impression point 1. Product win I think there is no need, used to be a camera battery based, when with Apple lawsuits are not willing to give Apple line plus a MFI certification, still in the famous products and other places are whipped body \"no chip\