While older mobile technology was just restricted to calling or texting your family and friends, with an Iphone opened the doors to so many more possibilities. 

You can browse the internet, take high definition video and pictures, play games, watch movies etc. 

The great thing is that you can do these things no matter where you go as the Iphone has a portable battery which is rechargeable. 

This means that sooner or later, you will have to recharge the Iphone. But, sometimes the only convenient time to recharge your Iphone to full capacity is during the night when you are asleep. 

This means that you might not have the chance to unplug your Iphone when it reaches 100 percent.

But, do Iphones stop charging at 100 percent?

Yes, Iphones stop charging when they reach 100 percent .The newer Iphone operating system (iOS 13), has a feature known as ‘optimised battery charging’. What this feature does is to reduce the rate of ageing of your Iphone battery, by limiting the time the Iphone spends at 100 percent charge when plugged into a battery charger. 

Why do Iphones stop charging at 100 percent?

Before we look at how the Iphone stops charging at 100%, let’s take a look at why it isn’t good practice to keep a battery charging past 100%.

Unfortunately, the rechargeable battery inside your Iphone has a limited life. 

Over time, the battery is going to become less efficient. You might have experienced this personally when you charge the Iphone and its battery charge drops within a few hours of use. 

With every charge and discharge, there is build up of internal chemicals which make it harder to charge thus making the discharge time shorter with time. 

While this is not uncommon for a rechargeable battery, there are certain bad practices that speed up the process and lower the lifespan of an Iphone battery. 

One of those bad practices is overcharging your Iphone battery. 

If you constantly charge your iphone’s battery to 100% and drain it to 0, you are going to reduce the overall battery capacity which equates to less battery life. 

This type of practice places a lot of stress on the battery. 

Other possible issues which might occur if you kept charging an Iphone battery more than 100%, is that it could overheat and could lead to damage, or worst case scenario, start a fire. 

This concept is known as Thermal Runaway.

As a battery overcharges, it heats up. Due to this, it can now take on more current heating up further and thus lead to battery damage or fire. 

But, fear not, smartphones like your Iphone, have fail safes to prevent these exact scenarios. We shall take a look at them in the next section.

What happens when when an Iphone reaches 100 percent charging

We all live busy lives, and fully charging your Iphone to 100% during the day might not be a viable option.

So, why not charge it while we sleep? We tend to sleep 6-8 hours which is a perfect amount of time to fully charge your Iphone. 

But, it takes about 3-4 hours to reach a 100% battery charge (this is just using a normal charger).

This means the Iphone is going to be plugged in for an extra 2-4 hours at full charge.

So, what happens when the Iphone reaches 100 percent charge and is still left plugged in for those extra hours?

Charging circuits inside smartphones use a method known as Trickle Charging to slow the rate of charging once your Iphone reaches 100 percent charge.

It charges the battery at a rate equal to its self-discharge rate which allows the battery to maintain it’s 100 percent charge while plugged in and also avoiding damage at the same time. 

However, while trickle charging is good for maintaining full charge and avoiding your battery overheating, it’s not the best practice when it comes to extending the life of your battery.

Even though the rate is slowed down, the constant application of voltage for a long period of time stresses the battery.

Iphone’s optimized battery charging

But, the great engineers at Apple have come up with a solution to combat this. 

The iOS13 (or higher) have something known optimised battery charging. This feature was created to reduce the wear on an Iphone battery which helps to extend its lifespan. 

It does this by limiting the time the Iphone spends fully charged. 

When the Iphone reaches a charge of 80%, the feature delays the rate of charge so that it will take longer to reach 100 percent charge. 

This might seem odd, but this will benefit your battery in the long run. 

The feature is enabled by default when you purchase a new Iphone with iOS13 or higher. 

Do all Iphone types have the same charging scheme?

All Iphone versions include a trickle charging circuit that slows down the rate of charge when it reaches 100 percent charge. 

However, the optimised battery charging, which charges your Iphone to 80 percent, and then slows the charging from then, is only available to Iphones that have iOS13 or higher.

So, it’s not dependent on your phone, but what version of operating system it is currently running. It is more a software feature than a hardware one.

Does the battery charger affect what happens to Iphone after 100 percent ?

A battery charger is a device used to charge mobile devices with rechargeable batteries such as your Iphone.

A battery charger can come in a variety of output voltages depending on the mobile device you are charging. 

Smartphones such as your Iphone will require a voltage of 5 volts. 

Another characteristic of a battery charger is it’s output current. 

You do not need a specific output current to charge an Iphone. However, the amount of current will determine how fast your Iphone charges to its maximum value. 

The lower the output current rating the longer it will take, and vice versa. 

So, no matter what battery charger you use, the trickle charging circuit (or the optimised battery charging feature, if you are using iOS13) will come into effect to prevent overcharging of your battery. 

Charging your Iphone without having to keep it connected overnight

As you saw earlier, keeping your Iphone plugged in for long periods of time when it has reached 100 percent charge isn’t the best practice as it will reduce the lifespan of the it’s battery.

Below are some tips to charge your Iphone, without having to keep it plugged in overnight. 

Tip #1 charging your Iphone: Fast charger

The first tip is to invest in something known as a Fast Charger.

A fast charger has a higher output power rating that will increase the rate of charge.

Standard chargers might be rated at 5 watts, which might take 3-4 hours. 

But, fast chargers can have output power ratings that range from 15 watts all the way to 100 watts! 

You will be able to charge your Iphone in as little as 1.5 hours (or less). 

This means you can charge your phone to maximum (or thereabouts) while you eat your dinner and watch your favourite TV show avoiding keeping it plugged in all night. 

Tip #2 charging your Iphone: Power Bank

A Power Bank is essentially a big battery that provides portable power which enables you to charge mobile devices like your Iphone on the go.

They come in a range of sizes each holding a specific amount of charge depending on your needs. 

So why am I suggesting power banks?

Well, if you are out and about and your Iphone is starting to lose charge, rather than using it till the battery dies and then recharging to 100 percent (which is bad for it), you can use the power bank to recharge it in portions throughout the day. 

That way you can maintain a certain battery level, and won’t have to fully charge it every night.

Tip #3 charging your Iphone: Airplane mode

The last tip is to turn Airplane mode on when you charge your Iphone. 

What airplane mode does is disables hardware functions of your Iphone which include cellular (text and call), wi-fi, bluetooth, and GPS.

If not disabled, these functions can drain your battery whilst running in the background. 

This means that it will take you longer to charge your phone. So, by turning airplane mode on, you will stop these functions draining the battery, and thus charge your phone faster. 

How to prevent your Iphone from discharging so quick 

Prevention is the best cure. 

If you can prevent your Iphone from losing all its charge so quickly in the first place, you won’t have to always keep charging it. 

Below are some tips you can use to prevent your from discharging so quickly. 

Tip # 1 to prevent your Iphone discharging so fast: Airplane mode when you drive

Driving while using your phone is a very bad habit. 

Many accidents on the road nowadays occur because the driver is distracted. One of the main reasons is using your phone.

Avoid using your phone when driving! 

Since you won’t (and shouldn’t) be using your phone when driving, you can put it in airplane mode which will help conserve battery power at the same time. 

A double win!

Tip # 2 to prevent your Iphone discharging so fast: Minimum brightness when indoors

The higher the brightness of your Iphone, the more power is needed. This means that it’s battery is going to drain faster. 

When you are indoors, you do not require a lot of brightness, as there isn’t much glare from light outside to obstruct your view. 

So, reduce the brightness of your Iphone when indoors to again conserve it’s battery levels. 

Also, all Iphones have a neat function known as auto-brightness, which adjusts the brightness of the phone based on light levels. 

This is a great option compared to leaving your Iphone at full brightness all the time. 

Tip # 3 to prevent your Iphone discharging so fast: Close apps running in background

There are many apps that run in the background even though you might not be using them. 

You might assume that if you aren’t using them they don’t use any battery, but, these apps can drain the battery whilst running in the background. 

Some of the most popular apps are the culprits which include Facebook, Instagram, LinkedIn, Snapchat, Youtube, Whatsapp, and many dating apps. 

So, if you want to prolong the battery life of your Iphone, close these apps if you are not using them. 

Tip # 4 to prevent your Iphone discharging so fast: Lock phone before putting it in your pocket

It might have happened to you, or you might know someone who has been butt dialed before. 

This happens when the person has their phone in their pocket and inadvertently calls someone as a result of pressure being applied to buttons.

If you don’t lock your screen, you run the risk of alos opening apps which will start running and draining the phone’s battery while in your pocket. 

The best way to avoid this scenario is to lock your phone before placing it in your pocket.

The post Do iPhones stop charging at 100 percent? appeared first on Electronic Guidebook.

From electromagnetism in things like motors, electric generators, and transformers to medical applications like Magnetic Resonance Imaging machines (MRI).

We even use the principles of magnetism in public transport. The Maglev Floating train uses magnetism as a means of transporting travelers to their respective destinations. 

In its early days the magnet was developed to be used as a compass. 

Nowadays, magnets lend a helpful hand to holding our devices such as the smartphone when you commute in our cars. Are magnetic phone mounts safe for holding an iphone? 

Magnets do have a bad reputation when they are mentioned in the same sentence as electronic devices. There is a misconception that magnets will damage every electronic device out there.

However, this a myth. While, there are certain aspects that magnets do affect, generally magnets will not damage electronic equipment. But, it all depends on the size and strength of the magnet in question of course.

I shall go over major concerns you might have, and debunk any myths.

Do magnets affect electronics?

The most important question is whether magnets affect electronics. You might have seen videos of people taking magnets and running them across television sets and the consequently seeing the image of the television set get distorted.

The thing is that this was the case for older Cathode Ray Tube (CRT) televisions which were affected by a magnetic field. This is what has probably led many to believe that magnets will damage most  electronic devices.

Electronics have evolved drastically over the years, and many components and fundamental principles they would have used to make devices 20 years ago are much different now.

The television is the perfect example. As I mentioned above, older CRT televisions were affected by magnets and this is because of the fundamental way the CRT works. 

Without getting into too much detail, a magnetic field is used to direct electrons toward the screen. By introducing another magnet in front of the screen it is messing with the internal magnetic field of the television and redirecting the electrons from where they need to go and thus distorting the image.

When you leave the magnet in front of the screen for too long, it makes that part of the screen magnetic therefore distorting that part of the screen permanently. 

The newer televisions used LED technology and do not use the older method of a magnetic field and electrons. So, running a magnet across the screen will not distort the image. 

Computer hard disks are another electronic device that could potentially get affected by magnets.A lot of movies depict hackers erasing information from hard disks. It does take quite a strong magnet to do so. 

Small magnets will not have that much of an impact. I will discuss the different types of magnets later.

Another important device that is affected by a magnet is a Pacemaker. This is a device that is implanted in a patient to help with heart rhythm disturbances.

They are placed under the skin near the chest area. The way the work is by producing electrical impulses which regulates the activity of the heart.

The presence of a magnet field can throw the pacemaker into a special mode which is determined by the manufacturer.

This is not an ideal case and once the magnet is removed, the pacemaker returns to normal operation. So maintain safe distances from magnets if you have a pacemaker.

There are many devices that will be impacted by a magnetic field, either temporarily or permanently.

Other notable electronic devices that could be possibly be thrown into hysteria by a magnetic field are magnetic credit cards, and hearing aids.

Why are these devices affected?

The common theme with the devices that I have mentioned above is that they all have some sort of magnetic storage or work on the principles of magnetism.

Things  like inductance inside electronics circuitry can be influenced by the presence of a magnet. It could induce a pulsing current that could raise the voltage in some components. But, this is all temporary and will not damage the equipment long term.

Another factor to take into consideration, is that if a strong magnet is close to a device, it could slightly magnetize some steel components inside, which in turn will make them  like weaker magnets. This could potentially affect the operation of parts of the circuit. 

There are a range of electronic components that get impacted due to the way they work. 

Relays – The way a relay works is by using a magnet to move a piece of ferrous material to close a switch. The introduction of a magnetic field might cause relay to close, open or get stuck in its current position unnecessarily. 

Hall sensors – Are electronic sensors that measure magnetic fields. They are used in many motors. So, if there is a magnetic field that is not meant to be there, it could ruin the readings. 

Motors – Use the principle of magnetism to function. Magnets could potentially affect them, but they have decent shielding.

Types of Magnets

So, we have seen that there are certain devices that are more susceptible to the general household magnet due to the fact of the technology and principle behind how they work.

Saying this however, if the magnet is strong enough, it will do damage to most devices. One of the strongest magnets known to mankind is the neodymium magnet.

Neodymium magnets are part of the rare earth family of magnets because their main element is a rare earth element.

Another way to create a really strong magnetic field does not even use any magnets. This phenomena is known as electromagnetism. When electricity flows along a wire it creates a magnetic field. Electromagnets are strong enough to pick up cars (depending on their size of course).

Time is another factor to consider. The longer a device is exposed under high intensity magnetic fields the likeliness of damage is increased. Many internal parts could get magnetized themselves and change the inner works of that electronic device. 

So, while most devices will not get affected by your everyday magnet, the best practice is to avoid having them exposed for long periods near them.

Also if you happen to have access to any rare earth magnets such as the Neodymium magnet, as a precaution, keep them away from electronic equipment.

Inside the Iphone

Many, if not most, smartphones such as the Iphone have magnets embedded inside them.

The speaker, vibration motor, camera are some of the modules inside a smartphone that use magnets. Nowadays wireless charging is achieved by means of electromagnetic induction. 

The magnets used inside a smartphone are neodymium magnets. But, these magnets are small and their magnetic field is not enough to disrupt other electronic devices. 

These magnets do not do damage or affect the capabilities of a smartphone’s internal circuitry. In fact they serve a purpose and provide a valuable function. 

You use and keep your smartphone around other electronic devices without affecting them. Most people keep their smartphones and credit cards together without harming the function of the credit card.

The Magnetic Phone Mount

The practicality of the magnetic phone mount for an iphone can be seen in many areas. 

If you are someone who receives or makes a lot of calls, the hands free feature that a magnetic mount offers can be be very handy. Even using voice to text will be made easier.

Navigation will be greatly enhanced as you will not have to juggle your phone trying to see where your next turn is, as the mount will provide a secure spot where you can view the screen.

Using a magnetic mount for your Iphone will provide a safe and secure haven, and eliminate you having to constantly find a nook or cranny to jam your phone into so it will not be dislodged when your car hits a bump.

How do they work?

So how does a magnetic phone mount work?

Most magnet mounts work in two parts; You have to stick metal plates to your Iphone and use a mount embedded with magnets.

The metal plates are included with the magnet mount when you purchase it (do not worry you do not have to go scavenging for metal plates).

If, however, you do not want to stick metal plates to your phone or phone case and ruin it’s aesthetics, you have another option. That option is to use a metal case. 

There are many benefits for using a metal case over sticking metal plates on your phone. 

You won’t ruin the aesthetics of your beautiful Iphone, you will not affect wireless charging (because you can remove the case when you need to charge but cannot remove the metal plates you stuck on), and when you do decide to remove those metal plates you won’t be stuck with any residue from the glue.

Type of magnets used

But, let us get back to the main question at hand. We have seen that it takes large strong magnets (and magnetic fields) as well as long exposure times to really do damage to your electronic devices. So will these magnetic phone mounts be safe for you iphone? 

Many of the best available magnetic mounts do use powerful magnets like the Neodymium magnet.

However, fear not, these are not large enough (therefore their magnetic fields are not considerable enough to worry about) to do any damage to your Iphone. 

As I already mentioned, smartphones already contain tiny neodymium magnets. 

So, you should only be concerned with the size of these magnets. Choose a magnetic phone mounts that use fewer and smaller magnets. As you increase the number of magnets you also increase the magnetic field.

Will it affect the Iphones…

Memory 

You saw earlier in this article how movies would show hackers trying to erase information using magnets.

The case with computer storage is that it uses a magnetic field to store information. Even then you would need quite a large and strong magnet to completely wipe out any information.

Iphones and other smartphones alike do not have Hard Disk Drives, and do not use magnet fields to store data. So, a magnet cannot disrupt or wipe out information. 

Iphones use storage chips which are similar to flash memory to store data.

The first generation Iphone (Iphone classic) did have a Hard Disk Drive, which could have potentially been affected by a strong magnetic field. So a magnetic phone mount would not really have been safe.

Display / Screen

Going back to old school CRT television and the principles it used to achieve an image. It used a magnetic field to focus beams of electrons. So introducing an external magnetic field would directly affect it.

Today’s smartphones use electricity, LED’s, and capacitance to provide a display for it’s users. So magnets will not hinder its performance. 

But, highlighting a major point, keep large, strong magnets away from them.

Navigation (GPS and Compass)

Another major concern that you might have is, will it affect your GPS when using it for navigation.

The way your phone works to figure out your position on earth is by working in conjunction with satellites. It is all based on satellite coordinates and math equations to determine your location. There is no magnetic field involved to figure where you are, so a magnetic car mount will not affect your navigation.

When it comes to the compass however, the presence of a magnetic field might affect the way it works. But, it only gets affected in the presence of a magnetic field. As soon as the magnet is removed, the compass goes back to working normally. 

The compass on your phone uses a  sensor (magnetometer) to detect the earth’s magnetic field. It does this to determine the phones orientation relative to the magnetic field.  

The good news is that your navigation applications do not need the compass functionality. 

So, when using your phone on a magnetic mount in your car to figure out how to get to your next destination, the GPS on your Iphone will not get affected.

Battery

With the battery in a smartphone, many people worry that a magnetic phone mount will discharge the battery faster.

Again, it comes down to the size of the magnet and its strength. A considerably large magnet might interfere with certain internal components causing the battery to drain quicker.

However, the size of the magnets used in magnetic car mounts are not large enough to cause any significant discharging of the smartphone’s battery.

The most common use for a phone car mount is to provide a secure place for your phone while using a navigation app on your Iphone. Most of these navigation apps use a lot of power which is probably a greater cause of your battery levels dropping than the magnetic car mount. 

Speaker

Last but not least, the speaker. Now speakers do work using magnets. So will an external magnet ruin your sound quality?

Because the magnetic car mounts use small magnets, and there is a barrier between them and your Iphone speaker, the sound of your speaker will not get affected.

Conclusion

So, are magnetic phone mounts safe for an Iphone? 

The answer is yes. 

Even though your compass might be affected in the presence of a magnetic field, when that magnetic field is removed the compass will return to its normal operation. There is no permanent damage. 

The times you will be using the magnetic phone mount, will not require the function of the compass anyway.

Also, if you opt to use a metal case, it will act as a minor barrier between your phone and the magnetic phone mount. So your Iphone will be safe. 

Saying that, however, common sense needs to be used. While, your everyday magnet or even smaller neodymium magnets cannot do damage to your smartphone, you do not want to leave them exposed to them for long periods of time.

Keep them away from larger, stronger magnets at all costs.

Magnetic Mounts for an Iphone

When considering what magnetic phone mount to get, some stand out among the rest. There are certain things to consider when choosing the perfect mount. 

Secure/Sturdiness – You want the magnets to provide enough of strength, stability and sturdiness so that when you are driving your car and hit a bump or pothole, your phone will not fall off or move from its position.

Flexibility – The ball and joint mechanism that allows you to swivel the phone, should be flexible enough so that you can view your phone from any angle. It should be strong and stiff enough that it does not move when you do not want it to.

Compact – It should be compact so that it does not take a lot of space. The last thing you want is some massive contraption blocking you from seeing the road.

Durable – The materials should be durable and long lasting. 

Easy Installation – Who wants to spend hours setting up a magnetic phone mount? Nobody. Therefore it should be easy enough to install without having to read 20 pages of a manual. 

It should also be versatile enough to install it anywhere as well.

I have chosen the bottom 3 magnetic phone mounts, because they satisfy all of the above criteria.

TOTU MAGNETIC PHONE MOUNT

RAV POWER MAGNETIC PHONE MOUNT

RAXFLY MAGNETIC PHONE MOUNT

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