The truth about fast charging ?

 Nowadays we see a lot of companies boasting about how fast their new smartphone can charge. But what a lot of these companies don't tell you is that faster charging doesn't come for free. It's a very quick, the way your battery works, two poles, a negative and a positive, the negative end.

Do you have a ton of free electrons or the positive end?

 You have less. So naturally, those electrons want to flow from that negative end to the positive. And along the way, they can power whatever components you put in their path. Once they've offloaded, your battery is dead. And that's where charging comes in.

We can use electricity to push electrons back to the negative side, creating that difference again. So really all of us charter is doing is pushing those electrons back. Faster, but there are some problems with this. For starters, it means that in any given amount of space, you get less battery capacity in every battery between that positive and negative pole.

Role of separator :

It requires a separator. It's there to make sure that the electrons don't just go straight from one side of the battery to the other, and that they go through the circuit that you want them to, but see the faster you want to charge your battery, the thicker, you have to make this separator to keep the battery stable.

And so the actual amount of usable battery, you have the battery density. False. And if you want to charge ultra-fast like these new phones are starting to do, you've got to take this a step further and also split the battery itself into two separate batteries, which as you can probably guess waste even more space.

This is why you pretty much never see ultra-fast charging on anything but big phones because it takes up so much room.  

What is fast charging? Is it good?

Faster charging means faster electron movement, which generally speaking, it's more heat and heat is not a battery's best friend.

It can slowly and subtly change its physical structure, which will make its ability to hold charge fall over time as a very rough estimate. Even if you keep your battery at 30 degrees Celsius, you could expect to lose 20% of your battery capacity over a year. And if you kept it at 40 degrees Celsius, something like.

40% could disappear as time goes. This is why it's recommended that when your charging the phone tries to leave it alone. It's already going to be warm for them charging using it is only going to add to that. You might've seen some gaming firms recently, which have USB-C ports positioned to be able to charge while gaming. I wouldn't do it.

The only exception is if you're going to use bypass charging, basically it forces your charger to power the components of your phone directly and not touch the battery. So your battery percentage wouldn't go up, but it also wouldn't go down. 

This potential heat damage to the battery is also one of the many reasons that wireless charging kind of sucks.

When you have the option to charge your phone with a 30 -watt wired charger or a 30-watt wireless power source, I would personally choose the wired one. Wireless will use up more extra energy ends up as is heat. 

But actually, this is the exact opposite of what's good for your phone. So you remember how, when the battery is full, we've pushed all of those electrons so that they're sitting in the negative pole and when your battery is empty, how they all be sitting in the positive?

 Well, because of this both 100% and 0% charge are the two most imbalanced and high-pressure States to leave your battery in, in an ideal world, you would constantly keep your battery at 50% where the electrons are evenly distributed between both the negative and the positive. You might notice that when you next go get a new phone and power it on for the first time that the company you bought it from will have pre-charged it to something close to 50% because they know that it's going to be sitting on store shelves for a while. And this is the way to get the least battery degradation. That the more powerful charging will lead to lower it the battery life. Have you noticed how whenever manufacturers quotes, how fast their charges are? They'll always use the starting figure.

How fast can it charge the first 50%, for example? 

Well, that's because the, what did you get given is not the wattage that your phone will constantly be charging out. It's just the maximum it can reach that maximum somewhere during that early part of charging. Your battery starts to get full, no matter how powerful your charging is, which slowly destroys your battery life and as a result, a 60-watt charger is not twice as fast as a 30-watt charger. And 120-watt charger is not even close it's twice as fast as a 60-watt charger. So fast charging does through some Avenue or another mean you're going to get less battery as you use your phone and this is why some companies are integrating the option to slow charge, even marketing it as a feature.

It sounds crazy, but hopefully, now it makes a bit of sense. And if I had to guess, I would say that this is also part of the reason why it took Apple so long to switch away from giving people these tiny little five-watt chargers, obviously providing these in the box more, make them more money because they can then sell fast charger separately. But they also probably figured that because most of their users were fine. They didn't complain about the existing charging speed. If they raised it, all it was going to do is reduce the longevity of their phones. And because Apple makes so much money from software and services, they want people's iPhones, which are the portals to that content to last as long as possible.

This is why they provide software updates for five years solid on every month. It's why they even tried to slow down older iPhones. To preserve their battery life. Apple wants its phones to last a long time. That's part of the reason why they haven't introduced 65-watt fast charging? I talk about fast charging and the problems it causes, But I want to stress that it's not as bad as some people make it out to be. There are some redeeming factors for starters which some people seem to have this idea that slow charging is good for your battery. I wish this was true, but no, no matter how careful you are, no matter what charger you use.

Your phone after two years of charging and using the battery is not going to be able to last as long as it wants. Did. Secondly, in fun fact, when your battery shows 100%, it's not 100% fully charged, the manufacturers, they add a buffer to the smartphone. So that even when it looks like it's full, there is a little bit of extra capacity.

So you don't fill it and damage it big time. But on top of that, historically, one of the problems with fast charging is that your device would charge up pretty quickly, but then continue to receive charge even when it's full. And that can be damaging. But nowadays, most manufacturers, they designed their included power bricks to be able to communicate with the phone they were made to cut the power when you hit a hundred per cent.

So overcharging isn't a problem either and the cherry on top is that a lot of phones now use something called optimized charging where the battery will be prevented from hitting a hundred per cent until you need it too. iPhone's and some android phones like Oneplus and Samsung does it the charge what we needed by using the method optimized charging

So in 2020, I'd say something like 30-watt charging is roughly what you need to give you speed, but also keep the heat relatively low and to have a large high-density battery. Besides going down this route of having a high capacity battery creep will naturally speed up your charging. Anyways, I think that like this, if I charged both of 3000 million power cell and a 5,000 million power cell with the same power. At the same time, the 5,000 million power will reach 3000 way before the 3000 million power one will because of that whole concept of charge, slowing down as a battery starts to fill up. 

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