Laatste update: 11 maart 2025

iPhone Battery Calibration: Tired of an iPhone battery that lets you down halfway through the day?

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Imagine this: you’re on your way to an important meeting and just as you’re about to check your route, your iPhone dies. Frustrating, right? Your battery seems to be draining faster than ever, and you have no idea why. You want to get more battery life without having to buy a new iPhone or get an expensive repair. You’ve heard of battery calibration, but you’re not sure how it works or where to start. Don’t worry, we’re here for you! We understand how annoying it is when your iPhone lets you down at crucial moments. That’s why we’re here to help you with a simple and clear guide to calibrating your iPhone battery. No technical mumbo jumbo, just step-by-step instructions that anyone can follow. This way you can get started yourself and save money, time and, above all, a lot of frustration.

What is battery calibration and why is it important?

Before we get started, it’s helpful to know what exactly battery calibration is. Battery calibration is the process of re-syncing your battery and the software that displays the battery percentage. This ensures that your iPhone accurately displays how much power is left, so you won’t be surprised.

When should you calibrate your iPhone battery?

It’s not always necessary to calibrate your battery, but it can be useful in the following cases: - Your iPhone suddenly turns off at a high battery percentage. - The battery indicator gets stuck or suddenly jumps to a lower percentage. - You notice that the battery life has deteriorated significantly for no apparent reason.

Step-by-step guide: How to calibrate your iPhone battery

We will now go through the calibration process step by step. Follow these instructions carefully for best results.

Step 1: Fully charge

Charge your iPhone fully to 100%. Preferably use the original charger and cable to ensure smooth charging. Once your iPhone indicates 100%, leave it on the charger for at least an additional hour. This ensures that the battery is really fully charged.

Step 2: Use your iPhone until it runs out of battery

Unplug your iPhone from the charger and use it as you normally would. Your goal is to let the battery run down completely until the iPhone turns off on its own. This means you will continue using it until it won’t turn on.

Step 3: Let your iPhone rest for a few hours

After your iPhone is turned off, leave it turned off for at least 3 to 4 hours. This will help drain the remaining energy in the battery completely.

Step 4: Fully charge without interruption

Plug your iPhone back into the charger and let it charge all the way to 100%. Do not use or disconnect the device during this process. After it reaches 100%, leave it on the charger for an additional hour.

Step 5: Restart your iPhone

Unplug your charger and restart your iPhone. To do this, hold the power button until the Apple logo appears. Your battery is now calibrated and should display a more accurate battery percentage.

Tips for maintaining your iPhone battery

Now that your battery is calibrated, you want to keep it performing at its best for as long as possible. Here are some tips to help you do that: - Avoid extreme temperatures. Exposure to extreme heat or cold can decrease battery capacity. - Use the original charger and cable. This prevents damaging spikes or dips in the power supply. - Turn off unused features, such as Bluetooth, GPS, and background app refresh, when you don’t need them. - Update your iOS regularly. Software updates often include optimizations that improve battery life. - Charge regularly. It’s better to charge your iPhone in between charges than to let it run down completely every time.

iPhone Battery Calibration FAQ

How often should I calibrate my iPhone battery?

There is no need to calibrate your battery regularly. Only do this if you notice that the battery indicator is inaccurate or if you experience unexplained battery problems.

Is battery calibration effective for older iPhone models?

Yes, battery calibration can help with older iPhone models too. In fact, it can be more helpful, as older batteries show signs of wear sooner.

Can I use my iPhone during the calibration process?

It’s best to use your iPhone as little as possible during the calibration process, especially while it’s charging. This will ensure the most accurate calibration possible.

How do I know if my battery needs to be replaced?

Go to Settings > Battery > Battery Health. Here you will see the maximum capacity of your battery. If it has dropped significantly (below 80%), it may be time for a replacement.

Consider upgrading to a refurbished iPhone

If your iPhone has been around for a while and you notice that it is slowing down or no longer meets your needs, it may be time for an upgrade. A [refurbished iPhone](https://leapp.nl/collections/iphone) is a sustainable and affordable choice. This way you can enjoy the latest features without paying the top price.

How can Leapp help you further?

We know how important it is to be able to rely on your iPhone. That is why we offer sustainable (refurbished) Apple products that make your daily life easier. If you do get stuck, such as with battery problems, we are ready to help you with tips and advice. Ready to get the most out of your iPhone? Visit our [website](https://leapp.nl/) and discover how we can help you. Whether you want to give your current device a boost or are looking for an upgrade, you have come to the right place. Don't wait any longer and choose certainty and quality. Discover our offers and experience the convenience of a reliable iPhone for yourself!
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