The iPhone 6S and 6S Plus have smaller batteries, but don't worry about it

With each new iPhone, we expect the battery capacity (and as result, battery life) to increase, not decrease.

In one of Apple's videos explaining the iPhone 6S and 6S Plus' 3D Touch feature, we can briefly see the iPhone 6S's battery capacity is smaller than the iPhone 6's battery. That may be true, but it probably won't matter in the grand scheme of things; Apple advertises the iPhone 6S and 6S Plus as having the same battery life as the two older models.

In Apple's video below at around the 2:50 mark, you can see the iPhone 6S has a 1,715 milliamp-hour (mAh) battery, a drop from the 1,810 mAh battery in the iPhone 6. Read more...