KGI Securities analyst Ming-Chi Kuo reports that this year’s iPhone 8 will be similar in size to the current 4.7-inch iPhone, but will feature a much larger battery, comparable to the current 2900 mAH battery found in the iPhone 7 Plus.
Several reports indicate that the iPhone 8 will feature a display somewhere in the 5.5-inch ballpark, but with the rumors of a ‘no bezel’ iPhone, it’s totally possible that Apple could fit that screen size in a similar form factor to the current 4.7-inch iPhone 7.
Along with a much larger screen in similar space, Kuo believes that Apple will pack a much larger battery into the device. The current iPhone 7 packs a 1960 mAH battery, where the iPhone 7 Plus is rated at 2900 mAH.
If KGI’s predictions are true, we could see an increase of around 50% in terms of battery capacity in the iPhone 8. While some of that battery will be used to power the larger display, it’s likely that the battery life will increase from the iPhone 7 to iPhone 8.
KGI believes that Apple will adopt a terraced battery technology, similar to what the company used with the 12-inch MacBook to fill the space. The new battery chemistry is shown below in blue, thanks to a diagram given to us by KGI.