Last year, Apple instituted a program to replace out-of-warranty batteries for the iPhone 6 or later for just $29 — a $50 price drop from the usual $79 cost.
If you own an iPhone 6 or later and have battery issues, you have until December 31 to take advantage of the lower price to replace your battery.
If you own an iPhone 6 or later and have issues with your phone's battery life, now's the time to visit an Apple Store and get your battery replaced.
Last December, Apple acknowledged something that iPhone owners had suspected for some time: It had been quietly "throttling," or lowering, the performance of older iPhones.
It said the goal was to preserve battery life on those older phones and prevent them from shutting down unexpectedly, but customers felt as if Apple communicated this message too late, as many had come to believe that iPhones purposefully got slower to compel people to upgrade to newer models.
After a good deal of consumer outrage, Apple addressed iPhone battery and performance in an open letter to customers later that month.
The most important part of Apple's informational letter was an offer toward the end: Apple said it would reduce the price of an out-of-warranty iPhone battery replacement to $29 from $79 "for anyone with an iPhone 6 or later whose battery needs to be replaced, available worldwide through December 2018."
And so if you own an iPhone 6, an iPhone 6s, an iPhone 7, or any other phones made after that and are experiencing battery issues — maybe it's draining faster than it used to — head to an Apple Store before December 31.
A small anecdote: My fiancée owns an iPhone 6s and had been experiencing battery issues for months. She'd constantly need to recharge her phone at work and at home, and she felt as if it hadn't always been this bad. So a couple of months ago, we visited an Apple Store, where an employee measured her phone's battery life and found the degradation to be at about 83%.
Apple says it will offer to replace batteries when battery degradation reaches 80%, but the employee gave my fiancée the option to replace it right then and there for $29. So we did that and walked around the mall for a few hours while we waited.
It was worth the wait — since that visit, she's noticed improvement in her phone's battery life and no longer needs to charge it throughout the day.
So if you're experiencing anything similar, go visit an Apple Store or mail your device before December 31 and pay the $30 to get your battery replaced. You'll be paying more if you choose to wait.