Recently, in the dormitory area located on Pham Ngoc Thach street, Dong Da district, Hanoi happened tragic fire, resulting in 5 deaths. The initial cause of the fire was determined to be a short in the motorbike battery in the house.
Many commenters said that the case of a motorbike battery short is more common when it is an electric vehicle to charge overnight, if it is a normal gasoline-powered motorbike, it is very rare to short if the vehicle is not working.
Most electric vehicle users also have the habit of taking advantage of night time to charge their vehicles. However, is this really reasonable and safe, does it have potentially dangerous risks?
Is it really safe to charge an electric car overnight? (Illustration)
According to the instructions of manufacturers and distributors, There is no section that advises users not to charge the vehicle overnight. Taking advantage of the night time lasting 8-10 hours to charge helps the charging process not be interrupted, the car is fully charged with energy for use the next day.
However, you can only completely rest assured to let your electric car charge overnight when the charging system is equipped with an automatic shutdown when full. This mode will recognize when the amount of energy charged to the vehicle is enough, then automatically disconnect the power to the vehicle’s battery.
Auto-off mode when fully charged helps the amount of electricity entering the car battery not to be overloaded, leading to swelling, even a fire. (Illustration)
With low-quality, floating chargers, this function will not be available or will not work well. Excess electricity entering the vehicle battery will cause the battery to swell, which in turn can lead to a short, fire, and explosion.
In a lighter case, if it does not explode immediately, the battery failure will also affect the quality and use time of the electric vehicle, also known as the “battery bottle” condition.
Batteries in electric vehicles swell, causing battery bottles, potentially causing fire and explosion risks. (Illustration)
In fact, there have been many tragic incidents caused by short-circuiting electric vehicle batteries and mainly while they are being charged. Therefore, besides the need to use quality, guaranteed chargers, there are daily habits that are wrong when charging electric vehicles that not everyone knows. Users need to change and remove them immediately to avoid unfortunate accidents.
Charging time is not suitable
Many people have a habit of charging the car at any time, this will seriously affect the quality of operation and the life of the car.
Charging time for an average electric vehicle is about 4-6 hours. But also according to the information above, it is best to charge them overnight, for 8-10 hours with automatic shutdown when full, so that the car is “full” of electricity.
Do not plug in the car charger immediately after using it, because at this time the battery is still hot, especially in the summer, putting the power supply right in will cause the battery to suffer too much heat and easily swell. .
Instead, let rest for about 30 – 45 minutes for the battery to cool down before charging.
Let the car rest for 30 – 45 minutes after use, then proceed to plug in the charger. (Illustration)
After unplugging the charger, wait about 15-20 minutes before using it. Distributors also recommend that the best time to start charging the car is when the power is about 30%, not to use it completely before charging or charging continuously when the electricity is still not consumed much.
Just like phones or other charging devices, the fewer times you charge them, the longer the life of your car.
Potentially dangerous charging locations
As recommended, when charging an electric vehicle, it is absolutely not advisable to leave the vehicle close to ordinary motorbikes, cars or other flammable and explosive substances such as gas, gasoline, oil… These locations must also be dry, cool, avoid water sources, carefully covered, in case it rains.
The location and charging space must not be near flammable substances or water sources, which can easily cause short. (Illustration)
After plugging in the charger, check that the charger is plugged in securely. The charging cord should not be pulled too tight, or stuck to other items because it can cause the charging cord to break during use.
Notes on the location and charging space should be paid special attention when charging overnight because this is the time when the family goes to sleep and rest. If there are unfortunate incidents, it will be difficult to detect and the handling and response will also take place slower than during the day.
Today, with gasoline prices constantly increasing, electric cars are chosen as a more convenient and economical alternative to transportation. Therefore, the notes to ensure the safe use of electric vehicles are essential knowledge to avoid unexpected incidents and loss of money.
at Blogtuan.info – Source: Soha.vn – Read the original article here