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Stop charging your phone all night! After reading this, remember to unplug it before going to bed →
In order to charge their mobile phones conveniently, many people will leave the charger plugged in "on standby at all times". Will the charger explode if it is not unplugged for a long time? What should you pay attention to when charging your mobile phone? Read on to learn these tips↓
What are the dangers of not unplugging the charger for a long time?
Netizen: I want to unplug it immediately after watching it
A charger is a device that converts high voltage electricity into low voltage direct current electricity. When the charger is connected to a socket, it is in working condition even if it is not charging the mobile phone .
If the charger is left on the socket for a long time, it will not only waste electricity, but also continue to generate heat, which will accelerate the aging of equipment and materials , easily cause short circuits or high-voltage breakdown, and pose a fire hazard .
How to first aid when the charger catches fire? Remember these 3 points↓
01Cut off the power supply immediately ;
02 Do not use water to put out the fire , because water is conductive. Once water is poured on the charger or other electrical appliances, it is easy to burst or explode;
03 It is recommended to use heavy clothing or bedding to beat or cover the victim, and call the police immediately.
Is it OK to charge your phone overnight?
Not recommended, overcharge!
Many people worry that overcharging a mobile phone may cause an explosion. In fact, no matter what kind of battery, overcharging may cause an explosion . Usually, qualified chargers have safety protection circuits to prevent overcharging. Once the battery is fully charged, the protection function will be activated, automatically stopping charging, or reducing the charging current to a very small range, which is called "trickle charging."
At present, most mobile phones use lithium batteries, which will automatically cut off the battery circuit when overcharged or short-circuited. When the internal pressure of the battery is too high, the exhaust pressure relief device will be triggered to reduce the pressure; when the battery temperature is too high, the thermal melt protection device will be triggered to stop the electrochemical reaction.
Keeping the battery fully charged will not cause it to explode, but it will accelerate the loss of battery capacity. Once the charger's protection device fails or the battery itself has quality defects that are not discovered in time, it may cause a fire or even an explosion.
How to prevent danger when charging your mobile phone?
These are the key points to know!
Avoid charging your phone for a long time: Do not charge your phone overnight. If you find your phone is overheating, stop using it as soon as possible. Do not leave the charger plugged into the socket for a long time to avoid accelerated aging and fire.
Use original batteries and chargers: Do not use inferior batteries and do not mix different mobile phone chargers to avoid damaging the battery and causing an explosion.
Try not to use your phone during charging: the phone will generate heat when charging. Playing with the phone or making phone calls will quickly increase the heat, which can easily cause danger.
Do not place the phone in a high temperature environment: high temperature can cause the battery to overheat and cause it to explode. Charge or place the phone in a place away from high temperatures.
Prevent your phone from getting damp or soaking in water: Batteries coming into contact with water can easily cause short circuits. Before charging, check whether the battery and charger are damp or soaked in water.
Connect the power first and then the phone: The correct procedure for charging a phone is to first plug the charger into the socket and then plug the data cable into the phone.
Do not charge in an overly cold or overheated environment: Mobile phones generally use lithium batteries, which do not like to work in high or low temperatures. In a low temperature environment, the protection mechanism of the mobile phone battery will cause slow charging; in a high temperature environment, the lithium battery will be unstable.
Try not to charge near the pillow: In order to make it easier to use the phone while charging, many people are accustomed to charging it near the bedside or pillow. In this case, if a short circuit occurs and causes spontaneous combustion, flammable items such as pillows will bring greater danger.
Source: CCTV-channel 1 WeChat official account (ID: CCTV-channel1) Comprehensive "Life Circle", National Emergency Broadcasting
This article is from Dahe Health News and only represents the author's views. The National Party Media Information Public Platform provides information publishing and dissemination services.
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