The Truth About Constantly Charging Electric Vehicles

Why charging becomes slower as time goes by?  In the last post, we mentioned that electric vehicles can be charged to 80% for daily use. Many friends said after reading it: "The battery life in winter is already short, and it will be even less if it is only charged to 80%." "Frequent charging will not cause any harm." "Battery?" "How many times a week is appropriate to charge?" Today, Longduo will address these issues and chat with you about charging and batteries~

01 Correctly understand "charging life"

In past exchanges, we have found that there are always friends who will directly link "number of charging times" with "battery life". Because of this, many friends have always had doubts about our proposal of "charging to 80%" Hesitant attitude, thinking that this will increase the number of charging times, damage the health of the battery, and thus shorten the life of the car. So, is this the case?

To solve this problem, we might as well first understand the battery itself. At present, electric vehicles generally use two types of ternary lithium batteries and lithium iron phosphate batteries. They are essentially lithium batteries. They have no memory effect and will not suffer a reduction in capacity due to "undercharging". The so-called "battery life", more professionally speaking, should be the number of battery cycles. You can also think of it as the number of "full discharge" charges (that is, the process of charging from 0% to 100%, and then to 0%) , is not the "number of charging times" as everyone understands.

02 Recharge with confidence, 8-10 years is more than enough

Seeing this, some friends must be worried: "Even if lithium batteries have no memory effect, the number of cycles of the battery itself must be limited. How can we ensure that frequent charging will not damage the battery?"

Regarding this point, in fact, everyone does not need to worry. At present, manufacturers have made mandatory requirements for the life of power batteries: when the number of battery cycles reaches 1,000 times, the capacity attenuation shall not be less than 80% of the initial capacity. This is the "bottom line", but the reality is generally higher than the standard.

Even an electric car with a fully charged battery life of 400 kilometers can travel 400,000 kilometers based on 1,000 charge and discharge cycles. Even with a 50% discount, it still has a mileage of 200,000 kilometers. For most people, the car can travel 400,000 kilometers. This is enough for most families.

At the same time, when charging, the Longduo charging pile adjusts its output voltage and current in real time according to the power demand of the vehicle to ensure the smooth progress of the entire charging process, and monitors the charging status in real time to ensure the safety of the vehicle battery.

It is worth mentioning that studies have shown that the charging method proposed by Longduo of "charging as you use, charging and discharging shallowly, and keeping the daily power at 20%-90%" is more efficient than "discharging fully and fully". Helps protect battery life, it is like eating. Compared with "overeating", "eating less and eating more often" is healthier~

Therefore, generally speaking, you do not need to worry too much about the impact of charging on battery life, nor do you need to worry about the number of charging times per week. There is no problem at all for an electric vehicle to be used normally for 8-10 years~

03 Tips for charging electric vehicles in winter

Of course, in the cold winter, in addition to shortened battery life, "slow charging" is also one of the most intuitive feelings of many friends. In low temperature environments, battery activity decreases, charging speed slows down, and charging time increases. Therefore, friends can give priority to parking the vehicle in a relatively high-temperature environment such as an indoor parking lot for charging, or adjust the charging time to a time when the sun is better and the temperature is higher during the day to reduce the waiting time for charging.

At the same time, when the temperature is too low, since new energy vehicles need to preheat the battery first, you can choose to charge it after driving while the vehicle battery is still warm, or power on the vehicle before starting to charge1 -2 minutes to preheat the vehicle's circuit and battery pack in advance to improve charging efficiency.

In addition, good driving habits are also one of the secrets to ensure that electric vehicles can survive the winter safely. Dear friends, you may wish to reduce unnecessary weight and pay attention to adjusting tire pressure. At the same time, during driving, try to avoid sudden acceleration and braking, and give priority to seat and steering wheel heating. If you need to use air conditioning, you can give priority to internal circulation to maximize the vehicle's endurance~

04 Conclusion

Finally, Longduo once again warmly reminds everyone: "Charge as you use, shallow charge and discharge, and combine fast and slow charging." At the same time, reasonably arrange the charging time and charging environment, and try to keep the battery between 20% and 90% to avoid battery life shortage. "Lie down" in the middle. In addition, avoid parking your electric car for a long time, even if it is idle, charge it regularly to better protect the battery safety of your car~