
Clearly showing the familiar Apple A5″ stamp, the chipset is mysteriously not from an iPad 2, and as Phone Arena points out, closer resembles that of the current iPhone 4′s A4 chipset layout. Curiously, the visible part of the battery reads 430 mAh, which leads us to believe a similar battery to the iPhone 4′s 1420 mAh battery may be included in the next-gen iPhone.
http://9to5mac.com/2011/09/19/alleged-iphone-5-parts-leak-show-a5-and-1430-mah-battery/