Why does my wireless charger make noise – Reasons and Solutions

Wireless charger is after all a machine, is bound to make some noise.

People across the world have noticed the wireless charger makes static noise but weird like –

buzzing, popping, beeping, humming, hissing, high pitch pulsing, ticking, and the list goes on.

So, ever wondered why does your wireless charger make noise? The main reason for such a noise from the wireless charger is because it is working.

Should your wireless charger be making noise?

The wellbeing of your gadgets and equipment that we own is as critical as our self-wellbeing.

Hence, it is important to take impeccable care of the wireless charger that we own and maintain it in a good state. Any malfunctioning of a wireless charger would be the last thing that we expect.

When we buy a new wireless charger or use it for some time, it often starts making some noise which is not decipherable by our level of technical knowledge.

Albeit, it is normal to find a new wireless charger making beeping noise, a humming or even a buzzing noise due to its size being very small and running on a high frequency, even a hint of sound may not be acceptable to some users.

Further inaction makes the sound coming from my wireless charger unacceptably shrill or too noisy to maintain human sanity.

There could be a handful of factors that can trigger the wireless charger annoying sound.

It can be caused by electricity running through it, or some inner conflict in the coils inside the wireless charger.

It may also be triggered by setting it up on the fast charging. There is a recommended capacity of fast charging, below which your mobile should be set up for wireless charging.

Some wireless charger whistles due to the ceramic capacitor resonating at some harmonic of the switching frequency.

If the charger is making a high-pitched squealing sound, you can blame it for the transformer.

Electricity is passing through the coil can make the component to actually start vibrating, creating a resonance frequency.

The common technical and manufacturing premises that trigger a wireless charger to make noise include:

  • Faulty Power Supply
  • Faulty Adaptor
  • Manufacturing problem
  • Electricity passing through the coil
  • Faulty Transformer

Let’s understand why wireless charger makes noise by detailing down the most common causes.

Fan and an exhaust that makes a sound

Wireless charging causes more power to generate than normal wired charging and in the process generate more heat.

Not many of us know that some wireless chargers have a built-in fan that cools it off to prevent overheating.

It works like an exhaust that makes some the sound that is perceptible while charging a mobile. And such wireless charger have an option to turn off the fan if the sound is bearable to you.

Very old wireless charger

With time, not only human beings, even the equipment that you use grow old and your wireless charger is no exception. 

Wireless charger technology is more sophisticated than the wired technology of charging and hence wears out faster.

The age of your wireless charger may trigger a noise that can be heard. If it is too old, riddance of it is a good idea.

Maybe fast charging, hence the noise

In haste, we often put the phone on a fast wireless charging mode that may trigger some noise.

As you switch from regular charging speed to fast charging, the voltage of the flow of current increases. This creates more force to move the magnetic field which, in turn, increases the sound waves causing the noise.

There is a maximum capacity at which the charger can be set up for wireless charging. For instance, do not put a Samsung phone on a 10W fast charging mode or an iPhone on a 7.5W fast charging.

AC Adapter Not Working

A faulty or cheap adapter or the AC adapter with some manufacturing defect may cause the noise while charging.

This may happen while using a low-quality adapter at the time when something goes wrong in the process of converting the electrical into mechanical energy.

It takes place during the transition from AC to a low voltage DC current. The noise occurs when the power supply runs at a more audible frequency.

Problem in the Charger

There could also be some genuine technical or electrical problem in the charger that needs to be fixed at the earliest.

On close inspection, you may figure out that some components of the wireless charger are defective or broken resulting in high pitched noise.

Generally, low or bad quality of charger, especially, the counterfeit ones are more prone to generate noise from a wireless charger.

Solution to fix noise from the wireless charger

In this section we have pulled together a few proactive solutions to a wired sound or high pitched/high frequency/ticking noise in perspective:

Deactivate the Fan if there is one

If your wireless charger houses a built-in fan, you may choose to deactivate the fan to prevent it to make the buzzing or a humming sound, causing annoyance for you.

You may at the same time need to turn off the fast charging facility of your wireless charger as well.

Restart or Reset the Wireless Charger

Many technical problems get automatically resolved just by rebooting.

If the sound from your wireless charger is ‘one of’ case, you may restart or reset the wireless charger.

The sound may be caused by some temporary inner conflicts. A restart or resetting the process may resolve and shut the temporary inner conflict.

To do this, you just need to unplug and plug it back after some time.

However, if the sound keeps persistently coming back, you must take to an authorized service center.

Turn off fast wireless charging mode

If you realize that the noise originates when you are setting it up on fast charging mode, offer some time to your wireless charger to do its work by turning off the Fast Wireless Charging mode from its settings.

Your phone can very well be charged at a lower charging rate of 5W standard wireless charging speed if you allow yourself the required time and the noise problem will be resolved forever.

Slow charging will certainly increase the longevity of your phone and charger by miles by not letting them overwork for you.

Buy better adapter

It is a good idea to change the power adapter or the cable if you find something not right in there.

If you detect that your adapter is faulty or having some technical issues, you may act fast on buying a better adapter of a reputed brand.

Always buy a high-quality power adapter even it is a bit expensive as the life of your wireless charger heavily depends on it.

Buy new wireless charger

If you happen to figure out that you are using an old wireless charger, or you have ended up buying a counterfeit of a reputed brand, it is time for you to go for a newly branded version of it.

The solutions discussed earlier will not work if the quality of your wireless charger is not in place or it is a defective one.

You may contact the seller or the manufacturer from a replacement if under warranty.

Moreover, persisting with a faulty wireless charger may not do.

In fact, it can cause collateral damage and cause uncalled for losses to your primary or allied equipment.

Instead of harping on the old or a faulty wireless charger, it is highly recommended to buy a new wireless charger.

Conclusion

Don’t be misers; buy the best quality wireless charger.

It is not easy to find a quality wireless charger among the tens and thousands of charges around.

I found a dependable brand like iPhone Apple wireless charger is a ‘value for money’. You can expect absolutely near-zero ‘apple wireless charger sound’.

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