{"id":901,"date":"2023-09-16T04:13:32","date_gmt":"2023-09-16T04:13:32","guid":{"rendered":"https:\/\/batteriesfast.co.uk\/blogs\/?p=901"},"modified":"2025-03-04T02:03:25","modified_gmt":"2025-03-04T02:03:25","slug":"does-the-iphone-have-a-battery-aging-problem","status":"publish","type":"post","link":"https:\/\/www.batteriesfast.co.uk\/blogs\/archives\/901","title":{"rendered":"Does the iPhone Have a Battery Aging Problem?"},"content":{"rendered":"\n

As another round of new iPhones nears, it’s time to take a closer look at how Apple’s batteries<\/a><\/strong> have withstood the test of time.As happens nearly every year, September seems poised to bring about Apple’s latest batch of iPhones.The expansion of the iPhone 14 Pro and Pro Max’s “Dynamic Island” cutout seems like a near lock for the entire iPhone 15 line, as does the long-anticipated switch from Lightning to USB-C for wired charging. <\/p>\n\n\n\n


When trying to figure out if Apple’s latest and greatest is worth the upgrade, an easy check is to see if you need a new battery. As we learned not too long ago, Apple will slow down the performance of iPhones with weaker battery health <\/strong>in order to preserve battery life. The 2017 “batterygate” scandal led to the company paying a $113 million settlement back in 2020 after an investigation was launched by 34 states and Washington, DC. <\/p>\n\n\n\n


This month, a different $500 million settlement from a class action lawsuit stemming from the same issue was cleared by a judge. 
Assuming you don’t pay for the AppleCare Plus insurance program, replacing a battery on most recent iPhones dating back to 2017’s iPhone X, will run $89 from Apple (not including tax or shipping if you’re sending your phone in). <\/p>\n\n\n\n


Those who pay for AppleCare Plus, which ranges from $149 for two years of coverage on a third-generation iPhone SE all the way up to $269 for two years of coverage on an iPhone 14 Pro or Pro Max, can get a battery replacement from Apple for no cost if their battery’s maximum capacity falls below 80%. 
Given the myriad of trade-in deals offered by Apple <\/strong>and wireless carriers, it may make sense to roll that money into what you’d spend on a new phone. Others, however, may be happy just replacing the battery and holding on for another year or two. Even if you don’t plan to upgrade this cycle, it is interesting to see how well recent iPhone batteries<\/strong> have lasted.<\/p>\n\n\n\n

What is ‘battery health’ and a ‘maximum capacity’?<\/strong><\/p>\n\n\n\n

iphone batteryOpening up and looking at the battery of an iPhone 6.Andrew Lanxon\/CNETLithium-ion batteries,<\/strong> like the ones found in most modern electronics, are finite resources that naturally degrade over time. As Apple describes on its website, these batteries work on what is known as “charge cycles” with one “cycle” taking place when you’ve discharged “an amount that equals 100% of your battery’s capacity.” <\/p>\n\n\n\n


This doesn’t mean going from 100% to empty either. As Apple notes, “you might use 75% of your battery’s<\/strong> capacity one day, then recharge it fully overnight. If you use 25% the next day, you will have discharged a total of 100%, and the two days will add up to one charge cycle.”
As you use up cycles by using your phone, the amount it has diminishes. On a different support page, Apple says that the iPhone is designed to hold “up to 80% of its original capacity at 500 complete charge cycles when operating under normal conditions .” 
While iOS doesn’t show how many charge cycles you’ve used, its “Maximum Capacity” section gives a peak into this metric.
Apple directed CNET to its various battery support pages when contacted for comment. 
How you can check your battery health<\/strong><\/p>\n\n\n\n

iOS setting to check your iPhone battery’s healthCheck what it says under Peak Performance Capability to learn if you need to replace your battery.Screenshots by Nelson Aguilar\/CNETApple gives steps for checking your battery health, and on most iPhones it can be done by going into Settings, then Battery and finally, Battery Health (or Battery Health <\/strong>& Charging). A “Maximum Capacity” section shows how much of your battery’s original capacity remains relative to when it was new. 
If your battery is still operating normally, you’ll see that it has “peak performance capability” with small text underneath confirming that it’s “normal.” <\/p>\n\n\n\n


If you’ve had a battery-related unexpected shutdown, you still may see peak performance but also a note that says Apple is using “performance management” to avoid future shutdowns. 
If your battery isn’t healthy, you may see a message alerting you that a replacement is needed if you want to get back to full performance or battery life. If your phone is otherwise fine for your needs, that $89 upgrade could be enough to get you back to running at full strength for a few more years. <\/p>\n\n\n\n


What we learned: Your mileage will varyiphone-13-versus-iphone-12-notch-comparison-mini-and-13-left-to-right-cnet-2021-01iPhone battery life varies, though those with an iPhone 12 seemed to be fairing best. Patrick Holland\/CNETWhile by no means a scientific test, I polled 20 CNET staffers on Aug. 2 about their iPhones, looking at which model they used, when they purchased it and what its battery health was. <\/p>\n\n\n\n


Nine CNET staffers were rocking the iPhone 12<\/strong> line (either an iPhone 12, 12 Pro or 12 Pro Max<\/strong> ), with most having purchased their  phones at least 30 months ago. Battery max capacity across the line was surprisingly consistent: Even the oldest devices still were displaying a maximum battery capacity of at least 85%.<\/p>\n\n\n\n

Two staffers were using iPhone 13 Pros<\/strong>, and their experiences couldn’t be more different. CNET computer expert Lori Grunin has had her iPhone for nearly 20 months and her battery’s maximum capacity was an impressive 95%. Commerce editor Russell Holly was not as lucky , with his iPhone 13 Pro showing just 73% max capacity nearly two years after purchasing it. <\/p>\n\n\n\n


Results were similarly mixed for the nine CNET users who have upgraded their devices to the iPhone 14 line. Some, like CNET’s iPhone reviewer Patrick Holland, still have 100% max capacity on his iPhone 14 Pro Max nearly 11 months later. My own iPhone 14 Pro Max<\/strong>, meanwhile, shows a battery max capacity of 88% over roughly the same period. <\/p>\n\n\n\n


I don’t seem to be alone, either, as Wall Street Journal reporter Joanna Stern tweeted out on Aug. 11 that her iPhone 14 Pro battery<\/a><\/strong> was at a similar level. Comments to the tweet showed some other iPhone 14 users getting similar results. <\/p>\n","protected":false},"excerpt":{"rendered":"

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