What is reverse or reversible wireless charging?

If you are fed up with cables to charge your mobile, you are interested reverse or reversible wireless charging. This is a novelty that some high-end phones this year already have and it is something useful (and great!).

Reverse wireless charging is the method by which one phone can charge another.

Just as you hear it, if your cell phone has little battery left and a friend’s cell phone is full, they can pass on the energy they have to you and charge your phone. smartphone without any cables, simply by putting them in contact.

Of course, this technology has just come out of the oven so it is not yet widespread. Anyway, he promises, because it’s not just about being able to charge one cell phone with another. There are more devices that can be charged wirelessly, such as some Bluetooth headphones. Phones with reversible technology act just like charging pads.

What phones have reverse wireless charging?

At the moment very few. This new technology has appeared recently and, for now, they are: the Huawei Mate P20 Pro, which was the phone that included this technology for the first time. Of course, his successor, the Huawei Mate P30 Pro He also has it. Samsung has not wanted to be left behind and, for that reason, the three phones in its high-end 2019 range, the S10, S10+ and the S10e They have it incorporated too.

Besides, the expected Samsung S10 5G which is expected for the middle of the year will also carry it. It is expected that other high-end phones in 2019 will also include it.

So, as you see, at the moment it is a luxury for the most powerful phones.

How is reversible wireless charging in terms of speed and utility?

We are not going to fool you, probably because this technology is too recent, it’s not very fast (at least for now). Already accustomed to technologies Quickcharge fast charging, reverse wireless is much slower.

To charge a battery of about 3,000 mAh it is estimated that it takes about 120 minutes, more or less.

Additionally, when the phone has 20% battery or less, the wireless charging capability is disabled. This is reasonable, but the reality is that, right now, It is more of an emergency method for when you need that little bit of charge until you reach a plug.

In the future that may change. The technology allows a maximum of 20W, but the truth is that most operate between 5W and 10W, which is why it is not a fast or powerful charge.

However, technology is advancing rapidly and soon we will be able to charge phones with others, as well as other gadgets, without the need for cables.