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How to choose a wireless charger？

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.03.15
Wireless chargers, as a convenient charging method in modern technology, are increasingly favored by people. However, there are various types of wireless chargers in the market, with different brands and models. How to choose a suitable wireless charger for oneself? This article will provide a detailed introduction to the classification and selection techniques of wireless chargers, hoping to provide assistance for everyone's purchase!

Classification of wireless chargers

1. According to the charging method

(1) Electromagnetic induction type



Electromagnetic induction wireless charger is a common type of wireless charger that utilizes the principle of electromagnetic induction to transmit electrical energy through magnetic field induction. It is suitable for charging needs in fixed places such as desktops and offices. Its advantages are fast charging speed, high charging efficiency, mature technology, and low cost.

(2) Magnetic resonance type



Magnetic resonance wireless charger is a device that utilizes the principle of magnetic resonance to transmit electrical energy. Its advantage lies in its ability to achieve wireless charging over medium to long distances, with a transmission distance of several centimeters to several meters. Therefore, it has lower requirements for device placement and alignment accuracy, making it more convenient to use. It is suitable for situations that require wireless charging over medium to long distances, such as charging electric vehicles, robots, and other devices.

(3) Radio wave type



Wireless wave type wireless charger utilizes wireless waves to transmit electrical energy, which is a relatively new wireless charging technology. Its advantage lies in its relatively long charging distance, which can theoretically reach several meters or even more. Therefore, it has high flexibility and is suitable for charging scenarios that require long distance and flexibility, such as smart homes, medical devices, and other fields.

2. By usage scenario

(1) Desktop



Desktop wireless charger is a common wireless charging device, usually placed on the desktop or office desk, providing wireless charging services for mobile phones, tablets, and other devices. It is a convenient and practical charging device.

(2) Portable



Portable wireless charger is a lightweight and portable wireless charging device that users can put in their backpack or handbag, making it convenient to charge the device at any time when going out. It is the first choice for frequent business trips or outings.

(3) Vehicle mounted



Car mounted wireless charger is a wireless charging device specifically designed for cars, which can be easily installed in the car to provide wireless charging services for car mounted devices.

Tips for choosing wireless chargers



1. Determine requirements

Firstly, it is necessary to clarify one's charging needs, such as which devices need to be charged, the frequency and location of charging, etc. This will help select the appropriate wireless charger type, power, and compatibility.

2. Select type

Select the appropriate wireless charger type based on the usage scenario. If it is for desktop use, you can choose a desktop wireless charger; If you need to carry it out, you can choose a portable wireless charger; If it is for in car use, you need to choose an in car wireless charger.

3. View power

The power of a wireless charger is an important parameter that needs to be selected according to the type of device and charging needs. At the same time, it is necessary to ensure that the wireless charger supports its own device type and wireless charging standards, such as Qi standards. In addition, it is also necessary to pay attention to whether the output power and current of the wireless charger match the requirements of the device to ensure charging speed and safety.

4. Consider quality

The appearance and quality of wireless chargers are also factors to consider when purchasing. The appearance should be beautiful and generous, while the material and quality should also be reliable. You can pay attention to checking whether the packaging and body of the product are clearly and completely labeled, and whether there are any defects or burrs on the appearance.

5. Reference evaluation

Before purchasing, you can refer to the evaluations and professional reviews of other users to understand the performance, stability, and user experience of the product, in order to make wiser purchasing decisions.

Precautions for using wireless chargers



1. Keep dry

The wireless charger itself contains electronic components, and moisture can cause damage to it. Therefore, when using a wireless charger, ensure that the surrounding environment is dry and do not expose the wireless charger to moisture or water sources.

2. Avoid high temperatures

The working principle of a wireless charger is to transfer electrical energy to the charging device through electromagnetic waves. When the wireless charger operates in a high-temperature environment, electromagnetic waves can cause thermal energy, which may lead to damage to the wireless charger. Therefore, wireless chargers should be avoided from being placed in high temperature environments, such as in direct sunlight or near high-temperature electrical appliances.

3. Avoid interference

Wireless chargers may emit radio frequency signals during operation, which may cause interference to surrounding devices. Therefore, when using a wireless charger, it is important to keep a distance from other electronic devices, especially from wireless networks, Bluetooth, and other devices.

4. Use adapter

When using a wireless charger, an adapter should be used, and an appropriate power supply and adapter should be selected to ensure that the wireless charger works properly. If the wireless charger is not used properly, it may cause the charging temperature to be too high, resulting in damage to the battery.

Summary

In short, wireless chargers, as a convenient and practical charging method, are gradually changing our way of life. When choosing and using wireless chargers, we need to pay attention to multiple aspects to ensure that we purchase safe, reliable, and practical products, and use them correctly to bring a more convenient and efficient charging experience to our lives.
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