![]() So, avoid letting your phone charge to 100% as often as you can. The problem is so pervasive that Apple added a feature in iOS 13 that prevents your phone from charging past 80% if it thinks you're going to leave it on the charger for several hours. You charge it overnight, let it charge in the car, and use power banks to charge your phone to 100%. This may worry many iPhone users, as charging your phone to 100% is a pretty standard thing to do. Your phone's battery is not much different when trying to contain a 100% charge. At 90%, the bag is pretty full, at 95%, it starts to become difficult to close, and at 100%, the zippers are barely holding your suitcase shut. You can think of this stress as being similar to filling a suitcase to 100% capacity. However, a 100% charge also adds extra strain to your battery, reducing its lifespan significantly. Piggybacking off the above myth is the idea that charging your phone to 100% is a good idea. Draining your battery below 20% puts additional stress on it, so it’s best to keep it above 20% whenever possible. The more pressure you put on a Li-ion battery, the faster it's going to degrade. On the opposite side, lithium-ion batteries respond to stress, which is what we'll get into with each of these tips below. Lithium-ion batteries do not have a "memory," so there is no benefit to letting your phone drain to 0% before charging it. Today's smartphones use lithium-ion batteries, as do just about every other mobile device you own. When nickel-based batteries were in use, this was sound advice, as batteries would "forget" their full capacity if they were not charged completely. Let it drain to 0%Ī common myth surrounding smartphone batteries is that you should let your phone drain to 0% and then recharge it to 100%, but this is only a half-myth. Not to mention that batteries are one of the worst items for the environment, so the more use you can get out of your battery, the better. While replacing your iPhone battery is a lot cheaper than replacing your iPhone, it's certainly not free. Mistakes You’re Probably Making When Charging Your iPhone You may think charging a phone is easy, but there are some common mistakes you may not notice. To keep your iPhone capacity at or above 80% as long as possible, you need to charge it in the right way. If you have an older phone and are starting to experience these problems, you can save yourself a lot of money by going to the Apple Store and paying for a battery replacement. Eventually, your iPhone will become too underpowered to operate the new iOS updates, but this usually happens closer to five years of usage. Things may take longer to load, applications close unexpectedly, and iOS may jitter slightly. You'll begin to notice that your iPhone seems buggier than before. Your battery becomes less effective with age, though you can technically still use your phone at this point, it does pose a problem.Ī battery that's only operating at 80% capacity is going to start to struggle to power your phone correctly. It's different from charging stops at 80%.Ĩ0% battery capacity means that, when you charge your phone, you're only getting 80% of the charge you got when your phone was brand new. ![]() The iPhone battery's 80% capacity caused a bit of a debacle for Apple a few years ago when they failed to communicate what this means for your device. What does 80% battery capacity mean for my iPhone? It's the battery, not the phone, that starts to wear out. This usually takes about two full years of iPhone use, which is why we tend to think of smartphones as having a two-year lifespan. The battery in your iPhone is capable of around 300 to 400 complete battery cycles, or full charges before reaching 80% of its original capacity. How many cycles does an iPhone battery have? Instead, each time you drain 75% of your battery, recharge to 100%, and use another 25% battery, you have completed one battery cycle (75% + 25% = 100%). To be clear, this doesn't mean that you only deplete a battery cycle when your phone reaches 0%. Each of these reactions is a battery cycle that completes every time your phone uses a full 100% battery. No matter how efficient battery technology becomes, there is a fixed number of times that your phone can perform this chemical process. Batteries work via a chemical process in order to power your phone. Despite Apple offering this service, too few iPhone owners know when to replace their battery, raising the question - how long do iPhone batteries last? How Long Do iPhone Batteries Last?Īlthough the iPhone has improved dramatically over the years, its battery life has not, mainly because battery technology has not changed very much over the last 50 years. For a small fee, the program exchanges your worn-out battery for a new one. ![]() ![]() Since the very first iPhone launched back in 2007, Apple has offered a Battery Replacement Program. ![]()
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