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There have been many breakthroughs in smartphone technologies over the years. But one thing that is bothering the manufacturer – how to have longer battery life for the devices?
As smartphone users are increasingly dependent on their devices, so do the usage time. And having to re-charge several times throughout the day, sometimes scrambling to find a charging station, has become a nuisance task for users.
Manufacturers over the years have introduced a faster charging method, ease of charging through wireless and bigger battery capacity. But there is a limitation to how much we can extend the battery life. Unfortunately, there is no perfect solution to this issue yet. Meanwhile, we can educate ourselves to have an understanding of the limitation of battery and how to make the best out of it.
About lithium-ion batteries
Lithium-ion batteries were commercialized in the 1990s. Comparing with the previous generation of battery technology, lithium-ion charge faster, last longer, and can hold more charge in a smaller form. Till date, vendors do not have a commercially viable product to replace the lithium technology yet.
Understand how your phone battery degrades
Your Apple lithium-ion battery uses fast charging to reach 80 percent of its capacity quickly, then switches to slower trickle charging. Apple iOS also limit charging above 80 percent if battery temperatures get too hot. By doing so, it will prolong the battery life to prevent over-charging.
An iPhone lithium-ion battery typically holds up to 500 charge cycles, or about two years; before you will see a degrading of the battery to 80% of its full capacity. You complete one charge cycle when you have used an amount equals 100% of your battery’s capacity.
Example, you use up 60% today and re-charge it fully the next day. If you use 40% the next day, then you will have discharged a total of 100%. That is one charge cycle. It could also take several days to complete a cycle.
Myth: Some users discharge 100% before re-charging to reduce charging cycle. It is no longer needed for the lithium-ion battery as reason explained above.
How long is a battery supposed to last?
Question: Can I leave the iPhone to charge overnight even at 100 Percent?
Theoretically, you can. iPhone will continue to charge even when the battery is at full capacity. Once the battery is full, the iPhone will automatically discharge some amount of its charges so it can continue to receive a charge without damaging the battery. However, it will affect the battery cycle, as previously discussed, in the long run.
How to maximize battery performance
“Battery life” is the amount of time a device runs before it needs to be re-charged. “Battery lifespan” is the amount of time a battery lasts until it needs to be replaced.
Let’s find out how we can stretch or maximum the lifespan and performance of your device’s battery.
1. Update to the latest software
Simple yet effective. Apple software updates often include advanced energy-saving technologies, so always make sure your device is using the latest version of iOS.
2. Avoid extreme ambient temperatures
The ideal temperature comfort zone is between 16 – 22 degree). Avoid exposing your device to an ambient temperature higher than 35 degrees. Example, under direct sun, near high heat area, left in the car under hot weather. The damage can be irreversible and decreases the battery lifespan in the long term.
3. Remove certain cases during charging
iPhone case is important. But charging your iPhone inside certain styles of cases may generate excess heat, which can affect battery capacity. If you notice that your device gets hot when you charge it, take it out of its case first.
4. Store it half-charged when you store it long term
If you are not using your device for long-term, do the following:
5. Optimize your settings
6. Enable Low Power Mode
Low Power Mode is an easy way to extend the battery life of your iPhone when it starts to get low. It allows you to use important app and functions till your phone charge up again.
7. View Battery Usage Information
One important app in iOS is the battery usage information. To view your usage, go to Settings > Battery.
It allows you to see the app that is taking up most of your battery life and change the settings to minimize battery usage.
8. Background Activity
9. Location services
10. Home & Lock Screen
11. No Cell Coverage and Low Signal
If you are in a poor cell coverage area, your iOS device is constantly searching for a better signal which will affect your battery life. There are two ways to preserve your battery:
12. Disable Features You Don’t Use
There are probably some features you never use but are using up power in the background. You can consider disabling these battery draining features:
13. Plugin and power on your computer to charge your device
Pretty straight forward, right? However, many users make the mistake of charging the device to a computer that is turned off or is in sleep or standby mode, which may cause your device’s battery to drain.
Hopefully, all these tips will add up enough savings to help you get through the day without having to charge up regularly. And needing to charge less has its benefit: it prolongs the health of your battery so you won’t have to replace it quite soon.
If you have tried the above methods yet finds that your phone battery is not holding the charge, it could be time to change your battery.
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How can I maximize my iPhone battery life? ›
There are two simple ways you can preserve battery life — no matter how you use your device: adjust your screen brightness and use Wi‑Fi. Dim the screen or turn on Auto-Brightness to extend battery life. To dim, open Control Center and drag the Brightness slider to the bottom.What should I do to Maximise the lifespan of my phone battery? ›
- Let your screen turn off sooner.
- Reduce screen brightness.
- Set the brightness to change automatically.
- Turn off keyboard sounds or vibrations.
- Restrict apps with high battery use.
- Turn on adaptive battery.
- Delete unused accounts.
- Turn on dark theme.
The two things that cause the most battery drain in your iPhone are its screen and cellular service. Obviously, you know when you're actively using your phone, but your iPhone is often performing tasks in the background and even lighting up your screen without you noticing.How can I make my Apple battery Health 100 again? ›
There's only one thing that you can do to keep your iPhone's battery health at 100%. Stop using your iPhone. Yup, the only way you're going to keep your iPhone's battery at 100% is to stop using it and charging it.How do I reset my iPhone battery health? ›
- Step 1: Drain the Battery. The first step is to completely drain your iPhone battery. ...
- Step 2: Wait Three Hours. ...
- Step 3: Charge Your Device. ...
- Step 4: Drain Your Device. ...
- Step 5: Wait Another Three Hours. ...
- Step 6: Charge Your Device.
Shomes recommends charging your iPhone as it needs it. If you go to sleep and it has a 40 or 50 percent charge, leave it. Then charge it some time during the next day when it gets into the red. That way, the battery won't be stressed, and its health will last way longer than it will when overnight charging.Should I charge my phone every night? ›
Charging your phone overnight occasionally probably won't make a noticeable difference in the battery life for years to come, but if you do it every night consistently, you will probably notice your battery performance degrading over time.How many times should you charge your phone a day? ›
How often you charge will affect the battery life, for better or worse. In short, the more often you top up your battery, the better. To REALLY minimize battery degradation, top up for every 10% drop in battery level. And keep your battery level as close to the middle (50%) as possible.Which apps use a lot of battery? ›
When should I replace my iPhone battery? Typically, when your iPhone holds less than 80% of its maximum capacity, it's time to upgrade the battery. You can check your battery's health by going to Settings then Battery Health.
Do apps use battery when not in use? ›
While background apps may not use your phone's resources on their own, Android phones and iPhones will refresh background apps periodically by default. This uses your phone's battery and your data.Should I let iPhone battery drain before charging? ›
Therefore, we recommend the following: Do not fully charge or fully discharge your device's battery — charge it to around 50%. If you store a device when its battery is fully discharged, the battery could fall into a deep discharge state, which renders it incapable of holding a charge.How long should an iPhone last? ›
For most users, this represents approximately two years of use, which is why most people believe that the lifespan of a phone is two years. However when it comes to iPhones, you can expect between three to five years (maybe more) with proper care.How long should an iPhone battery last? ›
As it ages, the battery slows—so a full charge won't last as long. Most batteries are good for at least 2 to 3 years, often longer, but how do you know when to replace your iPhone battery? At Asurion, we help millions of people maximize their tech.Can you restore iPhone battery capacity? ›
An Apple Authorized Service Provider can replace the battery free of charge to restore full performance and capacity. Learn more about getting service for your battery.Can you get your iPhone battery health back to 100? ›
It is also important to note that, you cannot increase your battery health to 100 percent. If your phone has already lost battery health, then there is nothing one can do other than replace the battery.When should I charge my iPhone? ›
Shomes recommends charging your iPhone as it needs it. If you go to sleep and it has a 40 or 50 percent charge, leave it. Then charge it some time during the next day when it gets into the red. That way, the battery won't be stressed, and its health will last way longer than it will when overnight charging.What is the best percentage to charge phone? ›
Most Smartphones have a lithium-ion battery that lives longer when charged regularly. Unlike the nickel batteries used in older phones, lithium-ion batteries do best when kept above a 50 percent charge. Repeatedly allowing the battery to drain fully may shorten its life and decrease its overall capacity.Does charging phone overnight damage battery? ›
Charging overnight is not a danger to your battery in and of itself. However, temperature is a real concern. One of the most damaging things your battery can experience is extreme heat or extreme cold.Should I stop charging my phone overnight? ›
Batteries decay from the moment you start using your new phone. This means they gradually lose their ability to hold a charge. By charging your phone overnight, you're increasing the amount of time it spends with the charger. As a result, it degrades the capacity much sooner.
Why should we not use phone while charging? ›
However, using your phone while charging will cause it to charge much more slowly. That's because you're drawing power from the battery at the same time that you are trying to charge it. In fact, using your phone while it's charging is one of the main culprits behind slow charging speeds.Is it OK to use phone while charging? ›
Yes, you can use your smartphone while charging. There is no danger in using your phone while it's charging. When you use your phone while charging, the battery is charging at a slower rate than normal to allow enough power for the ongoing usage.How far away should your phone be when you sleep? ›
Keep your cell phone at least 3 feet away from your bed to limit radio frequency exposure. Turn your cell phone off before you go to bed (if you don't rely on your phone's alarm clock) Turn your phone on Airplane Mode.Does charging iPhone overnight damage battery? ›
Charging your iPhone overnight reduces battery life
And as you know, leaving your phone to charge overnight will charge up to 100 percent. This means, that if you charge every day overnight, your battery performance will begin to diminish within a few years.
Android phone manufacturers, including Samsung, say the same. “Do not leave your phone connected to the charger for long periods of time or overnight." Huawei says, "Keeping your battery level as close to the middle (30% to 70%) as possible can effectively prolong the battery life."Is it OK to charge your phone 3 times a day? ›
Is it bad to charge your phone multiple times a day? No. Lithium-ion batteries like to be charged in short spurts, so plugging in for five-percent here and 10-percent there is not only fine, but advisable.What drains my phone battery so fast? ›
If your phone's battery is draining faster than usual, it either means you're using a lot of energy or your phone is not using energy efficiently. This could mean you're overworking your phone by running too many applications, or something is physically wrong with the phone battery itself.Which app is killing my phone battery? ›
On both Apple and Android devices, go to Settings > Battery to see a list of which apps are hogging power on your device.Should you replace your iPhone battery if the battery health is 85 %? ›
Apple considers any iPhone with a battery capacity of 80% or above to be in optimal condition. In fact, Apple feels so strongly about battery health that its 1-year warranty covers any battery at 80% capacity or more. It's not unusual to see iPhones that, after one year, still have a battery capacity of 95% or above.How much does an iPhone battery cost? ›
Starting March 1, Apple (AAPL) will charge $89 for battery replacements for iPhone X through iPhone 13 models, a $20 increase from the current price of a new battery. Battery replacements for other models, such as the iPhone SE and iPhone 8, will jump from $49 to $69.
Does changing iPhone battery improve performance? ›
Changing an iPhone battery does nothing for the iPhone's performance. Your phone needs electricity to function. The battery provides that. Except for the obvious case of running out of power, your iPhone will not perform faster with a new battery — it will just perform longer before it runs out of power.How do I turn off apps running in the background on my iPhone? ›
Double-click the Home button to show your most recently used apps. Swipe right or left to find the app that you want to close. Swipe up on the app's preview to close the app.How do I turn off apps running in the background? ›
- To open Quick Settings, from the top of the screen, swipe down twice.
- To see the number of active apps running in the background: At the bottom left, tap # active apps. Or, at the bottom right, tap the number next to Settings and Power .
- To close each active app, tap Stop.
You Don't Always Need to Close All Apps on Your iPhone
However, this isn't necessary. In fact, Apple doesn't recommend closing apps unless they're frozen or not responding properly. After you switch apps, they do remain active for a short time, but then they go into a suspended state.
Apple recommends, as do many others, that you try to keep an iPhone battery between 30 and 80 percent charged. Topping up to 100 percent isn't optimal, although it won't necessarily damage your battery, but letting it regularly run down to 0 percent can prematurely lead to a battery's demise.How often should you drain iPhone battery? ›
Apple recommends that you periodically drain your iPhone or iPad's battery totally and then charge it up until it's completely full. That's down to 0, and up to 100 percent. You should do this at least once a month. This process, called calibration, helps your device estimate its battery life more accurately.How many times can I charge my iPhone in a day? ›
Is it okay to charge iPhone 4 times a day? Charge it as often as you like whenever you like. You won't damage the battery.What affects iPhone battery health? ›
A battery's lifespan is related to its “chemical age,” which is more than just the passage of time. It includes different factors, such as the number of charge cycles and how it was cared for. Follow these tips to maximize battery performance and help extend battery lifespan.Should I charge my iPhone overnight? ›
Shomes recommends charging your iPhone as it needs it. If you go to sleep and it has a 40 or 50 percent charge, leave it. Then charge it some time during the next day when it gets into the red. That way, the battery won't be stressed, and its health will last way longer than it will when overnight charging.At what percentage should I charge my iPhone? ›
Apple recommends, as do many others, that you try to keep an iPhone battery between 30 and 80 percent charged. Topping up to 100 percent isn't optimal, although it won't necessarily damage your battery, but letting it regularly run down to 0 percent can prematurely lead to a battery's demise.
What is the 40 80 rule? ›
The 40-80 rule is a way to maximize the lifespan of your battery by limiting the damage ; specifically it refers to not discharging below 40% and not above 80%. Charging above 80% becomes increasingly cause damage to the battery life cycle. Normally the life cycle of lithium ion battery is 300 to 500 charge cycle.Should you turn off your phone when charging? ›
Yes, you can use your smartphone while charging. There is no danger in using your phone while it's charging. When you use your phone while charging, the battery is charging at a slower rate than normal to allow enough power for the ongoing usage.Does charging overnight damage battery? ›
Charging overnight is not a danger to your battery in and of itself. However, temperature is a real concern. One of the most damaging things your battery can experience is extreme heat or extreme cold.Should I charge my phone overnight? ›
Batteries decay from the moment you start using your new phone. This means they gradually lose their ability to hold a charge. By charging your phone overnight, you're increasing the amount of time it spends with the charger. As a result, it degrades the capacity much sooner.What happens if you keep your iPhone charging after 100? ›
Contrary to popular belief, you should not charge your iPhone 100 percent. While this used to work for older batteries, it is not ideal for lithium-ion batteries. They do not come with memory to calibrate, as such; they'll overheat once they hit 100 percent.