FOSHAN SHUNDE KELICHENG POWER SUPPLY TECHNOLOGY CO., LTD

FOSHAN SHUNDE KELICHENG POWER SUPPLY TECHNOLOGY CO., LTD

The Correct Usage of AC /DC Power Adapters

2025 01/18

1.Avoid Mixing Power Adapter of Different Power

Power adapters from different brands may have the same interface shape to be interchangeable. However, the power outputs, as well as some current and voltage standards may be differentwhich may damage the device. In terms of current, the maximum current that the power adapter can provide should be greater than or equal to the device's requirements. Generally, the power requirements of the device should match or be slightly lower than the output power of the dc power adapter. If the output power of the dc adapter is less than the device's requirement, the device may not work properly, or its performance may be unstable, and it may even damaged the device. In addition, using a power adapter with a mismatched output power may pose a safety hazard.
 
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2.The Power Adapter is Abnormal
Identifying abnormalities in power adapters isn't particularly difficult. When the power adapter is used for charging, the original power adapter will perform rectification during operation, so it will producing a certain sound. The sound emitted by the power adapter should be regular and soft. Conversely, it emits a loud noise during charging, and operating sound is unstable and irregular, which means that the power adapter has an abnormal fault. In such a case, you should immediately stop using it and ask a professional engineer to inspect and repair it.
In addition to abnormal sounds, there is also overheating issue. Excessive load, high ambient temperature or poor heat dissipation of the adapter may cause the power adapter to overheat. Solutions include ensuring that there is sufficient space around for the adapter to dissipate heat, reducing the load, and resting for a period of time before using it again. If the problem persists, it may be necessary to replace the adapter with one that has better heat dissipation performance.
 
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3.Rational Use of Power Adapter for Charging
When a power adapter is charging an electronic product, it is advisable to avoid using the electronic product. When using the electronic product during charging and running applications that consume large capacity memory, it will increase the load on the power adapter. This not only slows down the battery charging speed but also shortens the service life of the electrical appliance's power adapter. In addition, the ac dc power adaptor should be stored in a dry environment to avoid moisture. A humid environment may cause short-circuit in the circuit or rusting, which will affecting the performance of the power adapter. At the same time, avoid exposing it to direct sunlight or high-temperature environment to avoid damaging the internal electronic components.‌
 
KELIC was established more than 20 years ago, specializing in the development and production of AC/DC Power Adapter, Battery Charger and Industrial Power Supply.  Our commitment to quality and customer satisfaction has helped us build a  good reputation in the international market.