You should know about mobile phones! Now no matter what you do, you can't do without the mobile phone. But the most electronic products of the mobile phone must be charged. The charger is always hot when charging the mobile phone. How about the hot charger when charging the mobile phone. The power adapter manufacturer will introduce how the charger heats up. Come and have a look. It is normal for the mobile phone charger to generate heat when charging, and the main reason is that the charger uses high efficiency switching power supply. However, because the power factor is less than 0.7, the rest of the energy is basically converted into heat energy and consumed, so it is normal for the charger to be a little hot when charging, as long as there is no smell, it is not necessary to care about it, but it is better to put it In the ventilated place, because the heat will accelerate the aging of electronic components. Common mobile phone charging