Precautions For Using The AC/DC Power Adapter

Therefore, when using the power adapter, you must pay attention to some safety matters to prevent the occurrence of fire, electric shock, equipment damage and other problems.

Choose a Proper Power Adapter

The demand for power adapters on the market is growing, and it is inevitable that there will be fake cottage power adapters, their quality is poor, the price is not high, there will be some consumers bought by mistake.

We can distinguish them from the following observations:

Check the appearance of the power adapter, the original formal power adapter shell manufacturing process is good, the stripes are clear, the color is uniform and the shell seam is tight, and the counterfeit product will have a rough feeling, the shell seam will have cracks, which can not only be seen by the naked eye but also can be felt by touching the hand.

Check the logo information of the brand, the identification content of the regular power adapter includes: rated voltage or rated voltage range, the symbol of the nature of the power supply, rated frequency or rated frequency range, rated current, manufacturer's name or trademark, model, 3C certification symbol, etc., and the handwriting of the logo is clear. The identification information content of the counterfeit power adapter is generally not standardized, the handwriting is not very clear, and often the two can be compared.

Check the plug of the power adapter: the plug and connector of the regular power adapter are fine, smooth, and without corrosion. At the same time, its power plug should conform to our national plug style.

Choose the right power adapter

Consider the following parameters when purchasing a power adapter, which can help you choose the right power adapter.

Input voltage and frequency: The input voltage and frequency of the power adapter must be consistent with the input voltage and frequency of the power supply device.

Output voltage: The output voltage of the power adapter must be consistent with the rated voltage of the power supply device. If the output voltage is too high, the power supply device may be damaged. If the output voltage is too low, the power supply device may not work properly.

Output current: The output current of the power adapter must be greater than or equal to the rated current of the power supply device. If the output current is too small, the power supply device may not work properly. Under normal circumstances, the high current adapter can replace the small current power adapter, such as 2A can replace 1.5A and 1A.

Power: The power of the power adapter should be greater than or equal to the rated power of the power supply device.

According to different use scenarios, choose different types of power adapters, such as outdoor wet or water environment, it is preferred to choose Waterproof Power Adapter.

When connecting the power adapter

Check the plug and socket: Before connecting, check that the plug of the power adapter matches the power socket, ensure that there are no damaged or exposed metal parts on the plug, and ensure that the input voltage range of the power adapter is consistent with the local power grid voltage.

Insert the device: Insert the plug of the output end of the power adapter into the power interface of the device, and ensure that the plug is tightly connected to the interface without loosening.

Connect the power supply: Insert the other end of the power adapter into the power outlet to ensure a firm connection and avoid loose or poor contact.

Storage and maintenance of power adapter

When the power adapter is not in use, avoid high temperature and humid environments and store it in a dry and ventilated place.

If the power adapter is placed in a place where the temperature is too high for a long time, the electronic components of the power adapter will shorten the life of the electronic components of the power adapter, which is easy to cause deformation of the plastic parts, and there is a potential risk of fire.

The power adapter is exposed to a humid environment for a long time, which will cause varying degrees of corrosion or oxidation of its internal electronic components, and even short-circuit failure during use, resulting in electric shock or fire.

At the same time, it is also necessary to prevent the power adapter from falling from a height, damaging the internal circuit board of the power adapter, so that the components are loose and there is a short circuit fault.

Check the power cord of the power adapter regularly. If it is damaged or broken, it should be replaced immediately to prevent short circuit or electric shock.

Therefore, it is necessary to properly keep the plug and wire of the power adapter to avoid being squeezed or damaged by external force, affecting the use effect.

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.