Fast Charging Definition How It Works, Types, Development

Definition Fast Charging

Fast Charging is a technology contained in a device and charger that aims to make battery charging faster. Fast Charging technology is generally applied to devices such as smartphones, power banks, tablets, laptops, and so on. But to use Fast Charging, both devices (between the device and the charger) must support the Fast Charging feature. At this time, we will discuss Fast Charging on smartphones

For the notion of fast charging, I have explained it in the first paragraph, now I will discuss how fast charging works, the advantages and disadvantages of fast charging. Here Gizmo Concept will explain one by one, listen carefully, friend.

How Fast Charging Works

The way Fast Charging works is that it is possible to transfer higher watts to the battery so that the battery can be fully charged quickly.

If you have ever seen an old cellphone charger, it usually says 5V1A (5 Watt) or 5V 0.5 A (2.5 Watt). With the power input only as mentioned earlier, maybe this is because the battery capacity on an old cellphone is still relatively small, which is below 1500 mAh. So that using a charger with a small watt input can still be fulfilled.

Along with technological developments, there are many smartphones today that carry batteries that can be said to have a large enough capacity, namely 2500 mAh to 4000 mAh. With this large capacity battery, there is a common charger that has a higher wattage, 5V 2A (10 Watt).

Not only that, a charger with a higher voltage appears again, namely 5V 3A / 9V 2A / 12V 1.5A (18 Watt) as in Qualcomm Quick Charge. Not only that, it turns out that there are still chargers with a higher Ampere, up to 5V 5A (25 Watt) like the Dash Charger / Oppo VOOC. Those are some charger inputs that can be said as Fast Charging technology.

Advantages and Disadvantages of Fast Charging


The advantages of Fast Charging, of course, can save time, because if the battery on your smartphone is fully charged then you don’t have to wait long for your smartphone battery to fill up quickly so that playing time with your smartphone will be longer.


In fact, it can be said that Fast Charging technology has no drawbacks because in general, Fast Charging technology has been designed in such a way as to avoid problems. The negative impact is that sometimes your smartphone gets hot. If you experience this then don’t use your smartphone while it is charging and make sure your smartphone is put at a low temperature.

Increased Hot Temperature When Fast Charging

By using the Fast Charging feature, in general, the battery charging speed is not consistent, usually it will accelerate at the start of charging and will slow down when it is almost full. Usually, charging accelerates when the battery is low (1%), if the battery charge has reached 60% it will start to slow down a little until the battery is 80% and it will slow down again until the battery is fully charged (100%).

You need to know that if the battery is being charged quickly, it can cause a slightly hot temperature. Especially like the case of chargers that increase the voltage like Qualcomm Quick Charge.

So we recommends keeping your smartphone in a cold temperature and don’t play if the battery is only 1% to 60%. If it’s up to 60-80%, please use it while checking it doesn’t matter because usually your smartphone has started to cool down.

In contrast to charger technology that enhances Ampere such as Dash Charger or Oppo VOOC, he said this type of charger is cooler, so you can use your smartphone even in the case of charging.

So what you also need to understand, namely the things that can damage your smartphone, is the heat from the effects of Fast Charging. So don’t use your smartphone to play games if it is charging and the temperature is getting hot.

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Type of Fast Charging

Maybe you are wondering what is the difference between Fast Charging and Quick Charge. Actually the question is not quite right because in fact Fast Charging is a fast battery charging technology, while Quick Charge is a trademark of Qualcomm for its fast charger.

There are so many types and brands of fast chargers for smartphones on the market. So here are some examples of fast chargers from several vendors.

  1. Quick Charge 3.0 dari Qualcomm
  2. Quick Charge 4.0/4.0+ dari Qualcomm
  3. Dash Charge dari OnePlus
  4. OPPO VOOC from Oppo
  5. Samsung Adaptive Fast Charging from Samsung, the development of Quick Charge
  6. Pump Express from Mediatek
  7. Turbo Power from Motorola

Of the several brands and types of Fast Charging above, each vendor certainly has their own Fast Charging method and technology, some are increasing the Voltage like Quick Charge and some are raising the Ampere like Dash or VOOC.

How to Use Fast Charging

How to use Fast Charging is very easy, which is like using a normal charger, just plug it into the socket and plug the cable into your smartphone.

Fast Charging will not work if one of the devices (charger or smartphone) does not support the Fast Charging feature itself. For example, if you have a charger that supports Fast Charging, then the charger plugs into a smartphone that doesn’t support the Fast Charging feature, so battery charging won’t be fast. Vice versa.

So if you want to use the Fast Charging feature, then make sure both your devices (charger and smartphone) support the Fast Charging feature.

Fast Charging Technology Development

Fast Charging technology in the future will certainly continue to experience development, especially in terms of battery charging efficiency and controlling the temperature so that the temperature remains low during fast charging so that the battery does not get damaged quickly.

Besides paying attention to the speed and temperature when charging Fast Charging, you also have to pay attention to several technologies – protection technologies, namely:

  1. Current Protection , serves to protect the device from amperage surges.
  2. Surge Protection , serves to protect the device from voltage surges.
  3. Low Loss Recifier , serves to increase battery charging efficiency.
  4. As well as other features that each vendor may have different features.

In addition to some of the things above, you also need to pay attention to the build quality of the charger, including starting from the plastic material used and the components on the charger.

Now that’s the article that you can give about the meaning and work of complete fast charging, hopefully, it can be useful and add to your insight. A good charger is the default charger from your smartphone or a certified third party charger. thanks.

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