iPhone 7于2016年发布，配备了一块1960mAh的锂离子电池。该电池设计用于在正常使用条件下提供长达14小时的通话时间和多达13小时的互联网使用时间。然而，随着时间的推移，电池的容量会逐渐降低，导致使用时间缩短。

Apple lowered its battery replacement fee to $29 in response ... have a lot in there to convince people to upgrade from the iPhone 7. And the iPhone X's $1000 price tag has turned a lot of ...