If in case you have a brand new iPhone (iPhone eight, eight Plus, or the a lot hyped iPhone X), battery issues are the very last thing in your thoughts. However for these with older iPhones, it is most likely prime of thoughts—particularly after Apple admitted to secretly slowing down batteries and is now providing $29 replacements till Dec. 31, 2018.

Battery slowdowns on getting old telephones are nothing new; lithium-ion batteries are the best choice now we have for cell tech right now, however they’re removed from excellent. The extra energy cycles they undergo, the more serious their capability will get.

Apple’s “repair” is why many individuals with older iPhones report battery issues every time a brand new model of iOS comes out. It isn’t simply that iOS is written for brand spanking new units and runs slower on previous fashions (although that is definitely a part of it). It is that Apple, in its infinite knowledge, really cripples older telephones within the identify of “total efficiency and prolonging the lifetime of…units.”

It is maddening. However Apple obtained caught when some older iPhones improved after new batteries have been put in and folks went public with it on Reddit. Weeks later, the corporate is being sued, and the battery alternative is its public relations response.

The $29 battery alternative solely applies to iPhone SE, 6, 6 Plus, 6s, 6s Plus, 7, and seven Plus. Older telephones must be coated by AppleCare or the battery alternative nonetheless prices $79—besides if the battery is lower than 80 p.c capability when totally charged, during which case the AppleCare battery swap is free.

To get your new battery, take an iPhone to the Apple Retailer’s Genius Bar or mail it in. However what in case you’re on the fence about your personal iPhone’s battery? How do you inform if its capability is low and it is gone by means of 500 charge cycles—Apple’s considerably arbitrary quantity for what it considers the lifespan of an iPhone battery?

In different phrases: how do you inform in case you want a alternative battery?

Examine Put on With an App

The best factor to do is obtain an app like Battery Life (there are a number of apps with that identify, however this model, by RBT Digital, appears to be essentially the most sturdy).

The very first thing the app will do is show an enormous entrance web page graph displaying battery put on degree. Listed below are three variations you may evaluate. The primary one is on a 2-year-old iPhone 6s Plus; the second is a smaller iPhone 6s bought a yr in the past; the third is an iPhone X that is barely every week previous.

Put on degree is the battery’s capability to carry a cost in comparison with its capability when model new. For instance, an iPhone X comes with a battery (the X actually has two batteries inside) with a complete capability of two,716 milliamps per hour (mAh); in response to the Battery Life app, it nonetheless has that full capability. Nevertheless, the iPhone 6s Plus has a battery that was initially able to 2,725 mAh, however now can solely maintain 2,300 mAh, or 84 p.c of what it as soon as may deal with.


The more you check this app, the more history it keeps, so you can check to see as your iPhone battery capacity decreases over time. That happens after more and more charge cycles are used.

A charge cycle happens every time you discharge 100 percent of a battery’s capacity. That doesn’t have to be all the way down to 0. If you keep your phone charged to 80 percent, then use it down to 30 percent, and do that twice in a day—using that 50 percent twice is a full charge cycle.

Apple says its batteries are good for 400 to 500 charge cycles. That usually takes a year or two—or around the time you’d upgrade iOS and see it all slow down when the new iOS detects an aging battery and reduces processor output to “help” you. It doesn’t hurt that Apple would also prefer you purchase a new phone around that time, too.

No app lets you see how many charge cycles you’ve used on an iPhone. (Unless you jailbreak your iPhone.) Maybe that’ll change in 2018. Apple is promising an iOS upgrade that may “give customers extra visibility into the well being of their iPhone’s battery, to allow them to see for themselves if its situation is affecting efficiency.” Till then, the one option to really examine the cost cycle utilization of an iPhone is with…a pc.

Examine Cost Cycles on a PC

It may appear counterintuitive to require a laptop computer or desktop PC to examine what number of instances you have used a cost cycle in your iPhone’s battery, however alas, these are Apple’s guidelines.

Beforehand, every time builders tried to launch an app that measured iPhone battery cost cycles, Apple pulled it from the App Retailer. With iOS 10, Apple then pulled data on cost cycles in addition to battery temperatures so third-party apps like Battery Life couldn’t get to them. Let’s hear it for transparency!

Nevertheless, there are some desktop packages to get you thru.


On a Mac, download coconutBattery, which can even inform you all concerning the well being of your Mac’s battery.

Plug your iPhone into the Mac through the USB-to-Lightning cable, then activate coconutBattery to get a studying on the iOS Gadget tab. Below the cost capability graphs, you may see a list that claims “Cycle Depend” so you may inform how far you’re from that dreaded 500. In case you pay to get coconutBattery Plus for $9.95, you may monitor all this data over Wi-Fi in your Mac with out plugging the iPhone in through USB.

It really works on iPads as nicely however iPads do not get slowed down by iOS, even when they’re older.

Home windows customers ought to flip to iBackupBot; it really works on Home windows 7, eight, and 10 and prices $35 after a 7-day free trial. It is ostensibly for backing up all kinds of information off an iOS gadget to your PC, however once you plug in an iPhone to the PC and run iBackupBot and construct a cellphone profile, you can too entry a piece known as Extra Data that clearly exhibits a “CycleCount” beneath the battery part (in addition to the unique DesignCapacity and present FullChargeCapacity of the battery.)

HowToGeek reports that you may additionally contact Apple through their assist web site, give them distant management of your iPhone, and so they’ll reveal the battery’s well being (albeit with out particular numbers). Whether or not you belief that from the corporate that simply admitted to crippling CPUs simply because batteries get previous is as much as you.

When Ought to I Get a New iPhone Battery?

Now that you just’re armed with the information wanted to measure capability and even cost cycles, you have to determine when to get that new battery.

This is what I would counsel: in case you’ve obtained something older than an iPhone 7, get the $29 battery change subsequent time you are wherever close to an Apple Retailer. It is the price of just a few venti scorching goodies, and value it to provide these older iPhones one other yr of respectable efficiency.

In case you’ve obtained an iPhone 7 or newer, examine the Battery Life app sometimes and see the place issues are headed. In case your iPhone battery is headed to simply 80 p.c then look into the alternative choices stat, hopefully earlier than Apple’s battery deal runs out on the finish of the yr. (Bear in mind, if in case you have AppleCare and your battery goes under 80 p.c capability, they will change it free, or perhaps provide you with a alternative iPhone equal if anything has gone awry.)

Or, purchase the battery replacement kit from iFixit and do it your self. It additionally prices $29, however shall be obtainable after Dec. 31. And it really works on older iPhones, however not iPhone eight, eight Plus, or X. The draw back is you must open the iPhone up your self.

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