Chargers are needed to restore the battery capacity of mobile devices. If electronics is used frequently and at maximum power indicators, the battery will quickly drain. To fully replenish the energy spent with standard memory, it will take at least 3 hours.
Fast charging allows you to reduce this time by several times. This article will talk about one of the most advanced technologies in this area - Quick Charge 4.0.
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What is Quick Charge 4.0
Quick Charge 4.0 is the fourth version of Cualcomm's electronic device charging technology. An updated version of the product was introduced in November 2016. In the previous 3 years, earlier specifications of this development were released, which are slightly inferior to the latest version in some respects.
Devices for restoring the capacity of batteries made using this technology have not only a built-in current converter, but also a special microcircuit that controls the process of electricity transmission.
A feature of Quick Charge chargers is the transfer of increased current strength and can significantly reduce the recovery time of the battery capacity. In addition, the latest generation products are able to automatically adjust the voltage and gradually change the values of the parameters of electricity.
How Quick Charge 4.0 Technology Works
Quick Charge 4.0 will only work if the electronic device supports the ability to quickly charge the battery. If the manufacturer laid such a function in the electronic filling of the device, then after connecting the gadget, information will be exchanged between charging and the charged product.
As a result of such "negotiations", the charger will be transferred to the voltage supply mode, which corresponds to the optimal value for a particular phone or laptop model.
A feature of the technology is the supply of electric current of greater strength. So that this procedure does not lead to serious deviations in the operation of the gadget, an increase in this parameter is carried out very smoothly.
Advantages and disadvantages of charging QC 4.0
Quick Charge 4.0 technology is not without its drawbacks. Despite the built-in microprocessor control, increasing the current value, albeit slightly, but negatively affects the battery life. A serious disadvantage of this technology is the fact that for its use the manufacturer of the gadget must obtain a license.
That is, from each sold device with support for Quick Charge 4.0, the developer company will receive a certain profit. This fact cannot but affect the final cost of the product.
In addition to the increased cost of a mobile device, you will need to purchase a separate memory device, which is also not a cheap product, which is especially unpleasant if the smartphone comes with only a standard device.
The advantages of charging QC 4.0 include the speed of battery capacity recovery. You can completely restore the charge of most gadget models within an hour. Also a positive quality of the product is its versatility. It is enough to purchase one model of memory so that you can charge all available smartphones, tablets or Power Bank.
Than Quick Charge 4.0 Surpasses 3.0
The main advantage of the fourth version of fast charging from Cualcomm is the safety of using the device. The company's engineers completely eliminated the flaws that manifested themselves in QC 3.0. First of all, the magnitude of the current was adjusted to supply devices that are charged via Type-C cables.
In the previous version, when using such a wire, a significant overheating of the ports of mobile gadgets was observed.Now charging in automatic mode determines the quality of the cable and port before applying voltage.
The remaining characteristics of the fourth generation of fast charging practically do not differ from the third version. Charging can also be used to replenish the battery capacity of mobile devices operating on DC voltage. The range of use of gadgets in this parameter is quite large and ranges from 3.6 to 20 volts.
If the charger for the smartphone has to be selected independently, then before making a purchase, you should accurately find out the rated voltage of the battery power of the mobile gadget.
The fast charge of the fourth version is divided into 2 types. Some of them allow you to charge only devices operating from a current source whose voltage does not exceed 12 volts, while the second can automatically select a voltage of up to 20 volts.
Which devices support Quick Charge 4.0
Fast-charging technology is supported by high-power mobile phones. As a rule, such gadgets are smartphones in which the current consumption is much higher compared to conventional devices for mobile communications.
Quick Charge technology is embedded in many models produced under the following brands:
- Redmi Note 7;
- Xiaomi Mi8;
- Xiaomi Mi8 Pro;
- Xiaomi Mi9;
- ZTE Axon 9 Pro;
- Caterpillar Cat S61;
- Razer Phone 2;
- Vivo Nex S;
- Samsung Galaxy Note 9.
The standard is new, so at the moment there are not many smartphones that support it, but all the devices that they are equipped with will be able to fully charge in one hour.
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