Is wireless charging harmful to the phone battery?

Is wireless charging harmful to the phone battery?
5 min read
03 August 2022

Nowadays, wireless charging is a popular feature in many smartphones and other mobile devices. But is it harmful to the battery? In this article, we'll explore the pros and cons of wireless charging, and whether or not it's a good idea to use it on your phone.


What is wireless charging?

Wireless charging is a technology that allows devices to be charged by being placed on an electromagnetic field. It works by using a transmitter, usually situated on the phone, to send an electromagnetic field into the air, and then the receiver on the phone will use this field to transfer power to the device. While wireless charging is convenient, it’s important to be aware of the potential risks associated with it.


There are risks associated with wireless charging. One is, that wireless charging can wear out the battery in your phone. This is because when you place your phone on the charger, your phone is constantly sending and receiving small amounts of electricity and this can cause your battery to eventually wear out. Another risk is that if your phone falls asleep while it’s charging, it may not receive any power and that could cause damage to your phone battery. Finally, if there’s any interference or noise in the electromagnetic field, it could damage your phone too.


While these risks are significantly present, these shouldn’t stop you from using wireless charging if you think it would be convenient for you. Just be aware of the potential dangers and you should consider some ways to minimize them


How does wireless charging work?

Wireless charging is a wireless power transmission technology that allows devices to charge wirelessly via electromagnetic induction. It uses the same principles as traditional AC charging, but with additional features. It uses electromagnetic radiation to transfer energy to the phone when you place your it on a wireless charging mat. The radiation from the wireless charging mat can harm your phone's battery if it's weak or if it's unprotected.

The potential health risks of wireless charging come from the radiation emitted by the charging mat. Charging mats use electromagnetic radiation at two different frequencies 915 MHz and 3.5 GHz. Both frequencies can affect your cellular phone batteries if they're powerful enough but are safe for human exposure.

The 915 MHz frequency is used by most wireless charging mats and is considered safe for human exposure. However, it can affect cellular phone batteries if it's powerful enough. The 3.5 GHz frequency is used by some high-end charging mats and is considered more dangerous because it can penetrate deeper into the battery.

If you're concerned about the potential health risks of wireless charging, you should always use a protective case or shield when placing your phone on a charging mat. You can also purchase a dedicated wireless charger that doesn’t cause damage to your phone battery.




Is wireless charging bad for the phone battery?

Wireless charging is becoming more popular, but is it really harmful to the phone battery? Recent studies suggest that there may be some risks associated with wireless charging.


One study found that wireless charging can reduce the lifespan of a phone’s battery by up to 50%. Another study showed that when a phone is wirelessly charged, the battery absorbs more energy than when it’s charged using a wired connection. This could lead to increased wear and tear on the battery and eventually decrease its performance.


While these findings are still inconclusive, it’s important to stay aware of the possible risks involved with wireless charging. Make sure to take care of your phone’s battery so that it lasts as long as possible.



There is some debate over whether or not wireless charging is harmful to the phone battery. Some people believe that it can cause the battery to degrade faster, while others maintain that it's not a big deal and doesn't have any major consequences. So, if you're worried about your phone's battery life, it might be best to avoid using wireless charging. However, if you don't mind occasional short bursts of charging (or just want the convenience of being able to charge your phone without having to plug it in), then wireless charging may not be a problem for you.



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