6 charging tips to maximize battery life

recharge iPhone

Over time, we have seen the emergence of several theories on the charging and battery of smartphones. Some are inherited from old battery technologies, which no longer apply today.

It also happens that these myths develop into bad habits among users of smartphones, tablets and others.

so here’s 6 legends about iPhone charging and battery, decrypted by us.

1. Closing applications saves energy: false

Better do not close applications on iOS. Because if one can think that this reflex makes it possible to save battery, it is the opposite which occurs. The manipulation may consume more, because the app will have to relaunch entirely. An app in the background is actually frozen and uses almost no power. It is thawed upon reopening (source).

2. Leaving an iPhone plugged in at night uses up the battery: true and false

Smart mattress

© Unsplash / Kate Stone Matheson

Leaving an iPhone plugged in overnight won’t will not overcharge the battery, because it has a protection system that stops recharging once 100% has been reached in order to avoid overcharging. However, once 100% is reached, the load will drop to 99%. Then the iPhone re-engages a charge up to 100%. And so on.

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This 100%, 99%, 100% repetition can negatively impact battery life. Apple also advises in this regard not to leave your iPhone charging for too long a period. It is generally stated that it is best to avoid having a battery exceeding 80% charge. Several experts talk about charging at keep between 30 and 80% to optimize battery life.

What to do ? Ideally, therefore, it is better to avoid keeping your iPhone plugged in all night. But it remains one of the most practical solutions for many of us living during the day. There are alternatives however: charge your phone for example at night, before going to sleep, to unplug it before going to sleep. In the morning, your iPhone shouldn’t be far from 100%. But if it has fallen too low, plug it back in when you wake up to have it 100% when you leave for work or school.

Also take advantage of optimized charging, a novelty that appeared in iOS 13 and described here.

3. Using a third party cable or charger is dangerous: true and false

Using third-party cables or chargers is not harmful to you or your device, provided you use an MFi certified product. This label guarantees compliance with specifications provided by Apple.

6 charging tips to maximize battery life6 charging tips to maximize battery life

© Aukey

Take a look here to find an MFi certified iPhone cable or charger.

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4. Fully discharging an iPhone damages the battery: true

IPhone battery does not appreciate being completely discharged. This is called deep discharge, ideally not to be drained completely to optimize battery life, especially when you are not using the device for several weeks. It is therefore better to avoid approaching 0% and to recharge the device regularly. As seen above, to optimize battery life, you should ideally keep the recharge between 30 and 80%.

5. Using an iPhone on charge is dangerous: false

It is not not dangerous to use iPhone while it is charging, unless recharging is done via a charger that is not certified and does not meet any safety standard (source).

6. Beware of hot and cold: true

Lithium-ion batteries are sensitive to extreme temperatures, hot or cold. You should not already recharge your iPhone when it is very cold. This could result in irreversible damage to the battery’s recharging capacity. With heat, the risk is also the premature wear of the battery component. It is therefore advisable to avoid charging your iPhone under the duvet, under books or in the bag, but to do so in a ventilated place, on a piece of furniture ideally.

IPhone 8 charging portIPhone 8 charging port

© Unsplash / Thomas Kolnowski

Finally, if possible remove the shell from your iPhone while charging. But this point is much more tedious to apply on a daily basis …

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Anyway, the battery replacement is not very expensive at Apple (55 to 75 € depending on the iPhone model). If these tips are to be kept in mind, we still encourage you to don’t make it an obsession. Use your iPhone normally and change your battery when it reaches the end of its life, by going to the Apple Store. You will regain a few years of long-term autonomy without having to change your smartphone.

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