High-frequency switching power adapters currently occupy nearly half of the domestic market. Its unique advantages of sma
1. Layout and configuration according to the actual use and installation conditions of the test product, including some s
1. Appearance 1.1. Surface 1.1.1. Check whether there is any stain on the surface of the power adapter. 1.1.2. Whether
The nominal voltage of the power adapter usually refers to the open-circuit output voltage, that is, the voltage value th
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