How to Maintain 100% iPhone Battery Health

Ever since battery health was introduced back in iOS 11. A lot of you people have been asking me questions about how you can keep that percentage as high as possible for as long as possible. So in this article, I'm going to be sharing some tips on how I have personally maintained a 100% battery life. Here on my iPhone 11 Pro which I've been using every day for the last 4 months on my iPhone 10 are here. Which I have used daily ever since 2018 now. I also have my current daily device right here the iPhone 11 Pro Max. You can see this is 98%. 

Image Source - Pexels

This is the one that my SIM card is most of the time right now. I also have over here my iPhone 10s max which I use pretty much every day throughout 2018. That is at 93% but this one did stay at 100% for a little over seven months almost eight months actually this one stayed at 100% battery capacity. So I am gonna share some tips on how I have maintained such good battery life battery health on all of these devices.
iPhone battery
Image Source - Brandon Butch
If your iPhone can run at its peak performance which is another important aspect that you need to pay attention to with time. Of course, you can see mine says that my maximum capacity is 100%. Now, this is gonna tell you if your battery is strong enough to operate at peak performance. Which is basically like running CPU intensive games, benchmark testing shooting, long 4k videos and things like that. 

Your phone can work extra hard when it's needed with time the lithium-ion battery in the iPhones will degrade and it's not gonna perform as good. Of course, as it did on the day you bought it. Any device with a lithium-ion battery not just an iPhone. When the battery degrades over time you slowly start to notice that you have less and less time between charges. According to Apple, a normal battery is designed to retain up to 80% of its original capacity at 500 complete charge cycles when operating under normal conditions. How Apple uses a term charge cycle is very very important to know. So a charge cycle is basically when you charge your phone to a hundred percent and then it dies later that night or the next day and then you charge it back up from 0% to 100%. Again now just because you don't specifically wait until your phone dies don't mean that you don't have charge cycles on your battery because any time you charge your phone it's adding into a charge cycle. 

Also read: How to Speed Up iPhone 

For instance, if you start your day off at 100% battery life and then you plug it in before bed with say 25% left. That means that once you use your phone again the next day and get down to 75 percent battery life. You will have gone through one a full charge cycle this is because of course the first day you discharged 75% of the battery. Which is what got you to 25% and then the next day you discharged the other 25% when you've got to 75% battery. So basically, any time that you charge and discharge your phone there's math going on behind the scenes inside of the battery to determine. When you go through a full charge cycle I hope you guys are following along with me here. You can already start to see why it makes so much more sense to charge your phone well before it dies. If at all possible while it is recommended to stay around 80% of battery life. I've always let my phone's charge overnight so I've done this with every iPhone.
iPhone battery
Image Source - Brandon Butch
I have always had the best battery life out of any of my friends and never really had any kind of battery drain issues at all. Charging your phone overnight is not necessarily bad for your iPhone because it uses normal charging speeds to reach 80% then it switches over to a slower trickle charge until you get to 100%. Once you're at 100% your phone starts to run solely off of the charger's electricity and not the actual lithium-ion battery itself. So no, it is not bad for the battery to charge it overnight like some people tend to think. But the sweet spot is 50 to 80 percent so if you can always keep your iPhone around that percentage or in that range you will be golden. Just don't charge your phone overnight if you're already over 80%. so if you're on like 80, 90, 95% before you go to bed there's no point in charging your phone. Only if it's below 50% you should charge your phone overnight. 

You also have the optimized battery charging feature right. This was just introduced with iOS 13 and that slows down the process. Even further by keeping your battery hovering around 80 percent until you're about to wake up and start using your phone again. This is based on machine learning and basically just how you use your phone over time. The longer you have been enabled the more accurate it will become that kind of. Just knowing your patterns of when you go to sleep and when you use your phone throughout the day and night. So instead of going from like 99% to 100% via trickle charging this new feature will keep your phone around 80%. Until it thinks you're about to use your phone again like when you're about to wake up then it's gonna charge it the rest of the way up. It's pretty useful and it definitely does make your battery last longer now.

Another tip I can give you is to keep your iPhone away from heat as much as possible. I saw people all the time going to the beach with their iPhones. They leave the device in the Sun they'll leave them like on their towel or something like that still in the Sun. 

It makes me cringe so hard because heat is the number one enemy of lithium-ion batteries. You want to keep it away from heat as much as possible. The same goes for cold weather but not quite as much since the lithium-ion batteries do heat themselves up but still, Apple recommends to use your phone and temperatures from 30 to 95 degrees Fahrenheit nothing over or below. 

Another tip is that if your iPhone gets really hot when it's charging. You may want to remove the case that you have on it and the reason for this is because the case may be acting as a barrier. Basically just slowed down the whole heat dissipation from your iPhone to your iPhone and that lithium-ion battery needs room to breathe. In certain cases can kind of restrict that passageway for air especially really tight cases like I would imagine. Maybe something like the OtterBox cases or something like that I wouldn't really think that most cases trap heat like that as much these days anymore but it's definitely something to consider.

If you do notice your phone getting hot while it's charging another tip is to stay away from knockoff Chinese charger. You get what you pay for. Many studies have proven that cheap iPhone chargers are really really bad for your iPhone not only are they cheaply made and will rip and tear much quicker than the cable from Applewood. But they can also cause damage to your device and impact the overall battery capacity. Some of these chargers have been proven to power surge iPhones and iPads which can lead to Hardware damage and also impacting the capacity of the battery itself. Avoid cheap cables if at all possible. If you lost your original cable and you don't want to buy another. An official one from Apple because they are pretty expensive. I would buy from someone more trusted like an anchor or a Belkin or something like that. Before I bought something just because it's highly rated and cheap on Amazon so just keep that in mind. When it comes to chargers and the final tip is to not use a wireless charger all of the time. Only use a wireless charger when you need a quick and convenient charge but definitely do not replace regular charging with wireless charging.

Apple did include a fast charger with the new iPhone 11 pros this year. I normally say to always avoid using the fast charger as well but I don't have enough data to say whether or not it's bad to use. Apple's fast charger every single day or not but anyways the reason you don't want to use a wireless charger or a fast charger all the time is that the process. When it comes to charging involves a higher voltage to be sent to the iPhones battery which results in a rapid rise in temperature. I normally use just a normal charger and not a fast charger. Most of the time you know throughout the day especially at night unless of course I need to charge up quickly but most of the time I would avoid using a wireless charger or a fast charger. 

Every single time you charge your phone you can use them I'm not saying it's bad but don't use them every single time especially wireless chargers. One other thing I wanted to mention as well is that it is worth it to change the battery every three years. If you're planning on keeping your phone for a long time. This especially goes with pretty much the older the iPhone gets you to know the more frequently you're gonna have to replace the battery. Even if you have like an 11pro you know three years from now you may want to just get a new battery in it. If you plan on keeping this phone long-term pretty much you can just look at the battery capacity. Once it gets down to like 80% that's probably what you should consider getting a new battery maybe 85% most of the time.

If you follow all these tips I mentioned in this article and you know combined that with my battery saving tips article and iOS 13 which I have linked up on the cards you will probably last many years without having to get a new battery just remember to charge your phone anytime you can and just follow every other tip I mentioned in this article and you should be good to go and you should notice your battery health staying at 100% or at least in the 90 percents for at least a year or two so yeah that's pretty much it for this article. 

I hope you did enjoy it. If you did learn something new and you enjoyed this article. Do comment in the bellow section. Thanks.

Image Credit & Courtesy: Brandon Butch

Sources: 1, 2, 3, 4

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