Recently, there are news reports: a family in Guangxi forgot to unplug the charger when they went out, resulting in a fire in the home and heavy losses. Can't you charge your phone when no one is at home? In fact, under normal circumstances, digital devices such as mobile phones will not cause fire when charging, but if there are the following situations, there is a risk:
1. Do not charge on the bed or sofa. In this news in Guangxi, the charger is obviously located on the back of the sofa, which should be the main cause of the fire. Because the charger itself will generate greater heat when charging the device, and the mattress, sofa cushion and other objects are good insulation materials, resulting in the charger's heat can not be dissipated in time, and spontaneous combustion occurs under the accumulation. Now many mobile phones support tens of watts or even hundreds of watts of fast charging, and the charger heats up quickly. Therefore, remember to put the charger and charging equipment in an open, ventilated place when charging.
2. Do not use unqualified non-original charger. Now smartphones support fast charging, and the price of the original charger is more expensive, so some users choose to buy unofficial chargers in order to be cheap. Although the regular third-party charger is also very reliable in terms of quality, there are also some JS that use counterfeit and shoddy products to impersonate the original charger of the mobile phone, and then attract netizens to buy at a low price, which has a great security risk. Although if you want to use a non-original charger, you must choose a regular third-party brand with 3C certification, and do not buy a charger of unknown origin cheaply.
3. Do not charge after the battery is exhausted. Many older netizens are still more accustomed to charging the mobile phone after the battery is exhausted to avoid the "memory effect". In fact, now smart phones use lithium-ion polymer batteries, there is no memory effect, and there is no problem in charging between 20% and 80% of the power. On the contrary, when the mobile phone is exhausted, it may cause insufficient lithium activity inside the battery, resulting in a decrease in battery life. Moreover, when the voltage inside and outside the battery changes drastically, it may also lead to the breakdown of the internal positive and negative separator, causing a short circuit or even spontaneous combustion.
4. Try not to plug in the charger for a long time. Now the regular charger has overcharge protection, so under normal circumstances, the mobile phone will automatically disconnect the charge after the charge is full, and the charger will not be too much of a problem when plugged in for a long time. But it is best not to charge for a long time without anyone at home, after all, electronic products have the possibility of aging failure, there is no need to take this risk.
5, do not use a charger to charge multiple devices at the same time. Now many third-party chargers use a multi-port design, which can charge 3 or more electronic products at the same time, which is very convenient to use. However, the more devices charged, the greater the power of the charger, the higher the heat generated, and the risk and hidden danger increase. So if it is not necessary, it is best not to charge multiple devices at the same time with one charger.
6. The charger and data cable must be replaced in time after damage. Although the probability of charger failure is not high, the case of broken data cables is still common. In particular, Apple's data line is easy to break over time due to the use of environmentally friendly materials. Although some data cables can still be charged normally after being damaged, the risk of short circuit after the core inside is exposed is multiplied, and it is best to replace a new data cable with a safer.
All in all, although "people lose power, people go out of the fire" is the safety common sense that everyone knows, but it is difficult to do everything in daily life, I believe that many netizens have a long time to charge mobile phones and other digital devices experience. Therefore, when we use these electronic products, we must use regular chargers, and develop good charging habits to minimize the risk.