http://wccftech.com/iphone-8-iphone-8-plus-battery-capacities/

Apple kept the same design language approach for its iPhone 8 and iPhone 8 Plus but heavily upgraded the hardware arsenal of these two powerful mobile computing machines. Unfortunately, according to leaked specifications of the handsets, it looks like Apple is slowly chipping away the battery capacity values of phones every time a better iteration is announced.

Images from China’s TENAA (via OnLeaks) reveal the following battery capacities of the iPhone 8 and iPhone 8 Plus. While we’re at it, the RAM values of both phones have been listed too.