After taking apart the 4.7-inch iPhone 6s, repair wizards over at iFixit have now disassembled its bigger brethren, the 5.5-inch iPhone 6s Plus (model A1687/A1634) After popping the handset open, the iFixit team immediately discovered a largely unchanged layout from the iPhone 6 and a slightly smaller battery versus last year's iPhone 6 Plus.
In line with the rumors, the battery inside the iPhone 6s Plus is of a 2,750 mAh variety, representing a modest 165 mAh downgrade versus the iPhone 6 Plus battery rated at 3.82 V and 11.1 Wh of energy, for a total of 2915 mAh.