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What should I pay attention to when buying a power adapter?

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2021-09-12 19:08
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What should I pay attention to when buying a power adapter?

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2021-09-12 19:08
  • Views:

To put it bluntly, the power adapter is a small transformer, but its internal structure is still different from the transformer. Many people don’t know whether the power adapter can charge our mobile devices. What should be paid attention to when buying? I will share with you today.  

1. Output voltage 

The output voltage of the adapter is best to be the same as the voltage required by the computer notebook. If it is different, it needs to be as close as possible to the electrolytic voltage required by the notebook within 5% of the difference, because the voltage regulator circuit in the notebook generally has a margin design. It can work normally and stably when the input voltage changes within a certain range. If the voltage exceeds this range, the notebook may work unstable.  

2. Output current 

The large output current should be the same as the large current required by the notebook as much as possible, and if it is different, it should be equal to or greater than the current required by the notebook. Pay attention to this, the current must not be too small, because the current is too small, it is easy to cause instability such as screen flicker.  

Power adapter 

Three, interface 

The output interface and output polarity of the adapter are very noteworthy. You must first ensure that you can plug it into your laptop when you buy it. Otherwise, even if the working parameters are completely the same, what is the use of it?  

Many major notebook manufacturers are independent, and adapter connectors of different brands are different. Each series of notebook adapters of the same brand generally have the same specifications, but sometimes different brands will also use the same connector. Joints, the specific situation must be treated specifically.  

According to the needs of customers in different industries, Dajing Power has formulated power equipment and solutions of less than 150 watts. It uses imported components to ensure the life and service life of the power supply and reach the 6-level energy efficiency standard. Provide customized solutions for power adapters for customers in more than a dozen industries such as printers, industries, display industries, medical equipment industries, and computer all-in-one industries. Dajing power adapter is manufactured with ingenuity, multiple strict technological processes, inspection quality is guaranteed, and safety is more assured.  

What is the difference between a waterproof transformer and a rainproof transformer?
What is the difference between a waterproof transformer and a rainproof transformer?
When many people don’t know about waterproof transformers and rainproof transformers,May mistakenly think that the two are the same。In fact, no matter from the waterproof level or from the performance and application,The two are different。 1. The difference in protection level: Waterproof transformer waterproof grade up to IP67-IP68,Can completely prevent dust from entering,And it can be soaked in water for a long time。 The waterproof rating of the rainproof transformer is IP44,It can only prevent solid objects larger than 1mm from entering (dustproof),The liquid splashed into the shell from any direction has no harm effect (rainproof)。 2. Different applications: Waterproof transformers are generally used in lighting decorations,For example, in underwater lights, underground lights, fountain lights and some large outdoor lighting projects。 Rainproof transformers are generally suitable for building lighting, night lighting, guardrail tubes, digital tubes and other lighting projects,Optimal matching power supply for outdoor products。 Dongguan Rico Electronic Co., Ltd. was established in October 2011. It is located in Hengli Town, Dongguan City, with convenient transportation. It is within an hour's drive from Guangzhou to the north, Shenzhen to the south, Huizhou to the east and Zhongshan to the west, with a plant area of ​​5200. Square meters, with injection molding workshop, wire workshop, AI plug-in workshop, patch workshop, assembly workshop, glue filling workshop and finished product workshop, providing from R&D, production, sales of LED power supply, home appliance power supply, medical power supply, communication power supply and waterproof wire And other products and services. The company's products have passed UL, CUL, TUV/GS, CE, SAA, PSE and other European and American developed countries' safety standards certification. In response to the world's new energy-saving requirements, all products comply with ERP, Nrcan, Doe, CEC, and MEPS VI energy-saving standards. Pay attention to environmental protection, all products meet the environmental protection requirements of RoHs, Reach, and California 65. The company promises that as long as the products flow out from the company, all products will undergo ICT testing, PCBA electrical testing, assembly electrical testing, high voltage testing, aging testing and pre-packaging testing to provide customers with safety, energy saving, and environmental protection. Reliable power supply products. Welcome all new and old customers to call and leave a message for consultation! ! !
2021-12-23
High quality manufacturer of 12W USB series
High quality manufacturer of 12W USB series
Dongguan Liangrui Electronics Co., Ltd. was established in October 2011. It is located in Hengli Town, Dongguan City with convenient transportation, with a plant area of 5200 square meters.Mainly engaged in the production of power adapters, switching power supplies, LED drivers, indoor and outdoor transformers, light control, and waterproof wires.There are injection workshops, wire workshops, AI plug-in workshops, patch workshops, assembly workshops, potting workshops and finished products workshops, providing product services from R&D, production, and sales of LED power supplies, home appliances power supplies, medical power supplies, communication power supplies, and waterproof wires. Product name: 12W USB series 1. Full voltage input design, suitable for global application; 2. The isolation design meets the safety and low voltage standards; 3. Short circuit, overvoltage, overcurrent, and overload protection; 4.100% full load aging test; 5. Meet the requirements of the latest low voltage directives and EMC standards in North America, Europe, Australia and Japan; 6. Meet the six-level high efficiency standards of ERP, Nrcan, DOE, CEC and MEPS; 7. Minimum 2 years warranty; 8.Suitable for use in dry environments; 9. Mini shell design; 10.USB output power supply; 11. Meet the standards: EN61347, EN61558, EN62368, UL1310, UL8750. The company's products have passed UL, CUL, TUV/GS, CE, SAA, PSE and other European and American developed countries' safety regulations certification.In response to the world's new energy-saving requirements, all products comply with ERP, Nrcan, Doe, CEC, and MEPS VI energy-saving standards.Pay attention to environmental protection, all products meet the environmental protection requirements of RoHs, Reach, and California 65.The company promises that as long as the products flow out from the company,All products must go through ICT test, PCBA electrical test, assembly electrical test, high voltage test, aging test and pre-packing test,To provide customers with safe, energy-saving, environmentally friendly, and reliable power products, welcome new and old customers to consult! !Contact: 13537305053 Mr. Jiang
2021-12-03
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Dongguan Rico Electronics Co., Ltd.

Tel:+86-769-82180956

Phone:+86-13537305053

Fax:+86-769-83795789

Website:www.rico-electronic.net

Add:No. 301, No. 3, Nanhuan Road, Tiantou Village, Hengli Town, Dongguan City, Guangdong Province