Inductive or wireless charging is a new and very convenient technology. But is it safe for smartphones? Let’s figure it out.
Wireless charging is especially convenient because you don’t need a cable for it. However, this technology is still at the very beginning of its development.
Is inductive charging harmful to batteries?
Wireless charging can really harm the battery of a smartphone, as with frequent recharging, it will drain its resource faster.
Inductive chargers work on the principle of electromagnetic induction. In simple terms, two coils – one in the smartphone, the second in the charger – are located above each other and create an electric current, due to which the phone is charged. We talked more about how wireless charging works in a separate article.
During the charging process, the coils heat up – and so that the smartphone does not overheat, the battery protection is activated in it. As soon as the device reaches 100 percent charge, charging stops. However, if the phone is not removed from the charger, after a while it will lose 1% and start replenishing the battery again. This causes new charging processes to start over and over again even though the phone is already fully charged, which is particularly detrimental to battery performance.
Modern smartphone users put their devices under serious load by sending them to the charging station several times a day. This should never be done because charging too often will reduce the battery life (capacity).
Try to charge the battery as little as possible.
Modern smartphones are designed for about 500 charges, after which the battery power begins to decrease significantly. Charging your phone every day is equivalent to about a year and a half of comfortable use.
Inductive charging is still a new but very promising technology. Most likely, in a few years, it will be so developed that in every public place like a cafe or a bus stop it will be possible to charge a smartphone on a wireless charging pad.
However, today inductive chargers and smartphones that support this function are more expensive than conventional models. In addition, the technology has obvious drawbacks that can only be eliminated with the development of more advanced charging stations.
The main problem with inductive charging these days is that it takes much longer than the classic cable charging process.
Smartphone developers are also working on this problem – there are even wireless chargers with a capacity of up to 40 W, but the phones themselves rarely support such power. For example, the top-end Galaxy S21 can charge wirelessly from a maximum of 15W.
The main advantage of inductive charging is that thanks to it, smartphones will be able to do without an extra cable outlet. This will make the devices more water-resistant and reduce the risk of damage to the charging connector.