Common problems with power adapters

Electronic consumer products usually have some problems. What should we pay attention to?

1. check the compulsory certification mark and product identification.

Mobile phones are products within the scope of the national CCC compulsory catalogue. They must pass the national compulsory product certification and be affixed with the CCC certification mark. Consumers must confirm whether there is CCC certification mark when purchasing, and pass the website of China National Certification and Accreditation Administration

2. focus on checking the quality of the power adapter.

Visually check that the power adapter pins and connectors should be fine, clean and free of rust. It should be noted that the power plug on the power adapter should conform to the plug style of our country. It should be a sheet type pin. The pin should not have a round hole, nor should it be cylindrical, square column or other non sheet forms.

The surface of the plastic parts of the power adapter shell shall be flat and smooth without burrs, and the color shall be uniform. The shell joints shall be tight, and there shall be no gap when pressed. The power adapter itself should not be too light and should not feel empty when knocked.

Observe whether the nameplate of the power adapter is in simplified Chinese, including the rated voltage or rated voltage range, symbols of the power nature, rated frequency or rated frequency range, rated current, manufacturer's name or trademark, model, safety instructions, etc., and the identification is clear and hard to erase, The nameplate shall have sufficient safety warning contents (class II equipment with double insulation or reinforced insulation structure shall be marked with "").