The correct way to charge an electric vehicle's lithium battery for the first time

Introduction The correct way to charge an electric vehicle's lithium battery for the first time. The charging method of lithium battery is still very different from that of lead-acid battery. When charging a lithium battery, you need to pay more attention to the meth

The correct way to charge an electric vehicle's lithium battery for the first time

The method of charging lithium batteries is still very different from that of lead-acid batteries. The method of charging lithium batteries requires more attention.

1. Pay attention to the first charge time. Since the battery car battery has not been used before leaving the factory and has not undergone charging and discharging, it is necessary to ensure the normal operation of the car. battery. Under normal circumstances, the charging time is about 5-6 hours, so that the battery is fully charged and the battery can be charged for a longer time for later use.

2. After the first charge, although it is not considered the first charge, the second time can be regarded as charging a new car. At this time, you can let the car battery be almost exhausted. , then carry out long-term charging, thisThis charge can last 8 to 9 or even 10 hours, to allow the chemical reaction of the car battery to complete a complete cycle.

Note that the charger can generate heat quickly and very strongly. Therefore, especially when charging in summer, the charger should not be placed on objects prone to heat and burns, and it is best not to place it. put it on a battery car on the seat to avoid fires.

The correct way to charge the lithium battery of electric vehicles

The lithium battery of electric vehicles can be charged at home. But you also need to pay attention to certain methods and not charge blindly.

Proper use of lithium-ion batteries in electric vehicles:

1. Charge according to time and standard procedures, even for the first three times.

2. When the lithium battery displaysIf a low battery prompt occurs while driving the electric vehicle, the lithium battery should be charged as soon as possible. All reviews in the market regarding recharging the battery after it runs out and charging the battery for a long time are not correct. It also depends on the battery type. As for "trying to drain the electric vehicle battery". , it is best to use it until it can no longer function". This method is actually only used on nickel batteries. The aim is of course to avoid the memory effect of the battery.

3. No special method is required to activate lithium battery electric vehicles. The lithium battery will be activated naturally when the electric vehicle is driving. first three activations of 12 hours charge", this will be in vain and will have no effect

Storage

Lithium-ion batteries little.can be stored for more than six months at 20°C, because their self-discharge rate is very low and most of their capacity can be stored. be restored. Lithium batteries exhibit a self-discharge phenomenon. If the battery voltage remains below 3.6V for a long time, the battery will discharge excessively and damage the internal structure of the battery, thereby reducing its service life. Therefore, lithium batteries stored for a long time need to be recharged every 3 to 6 months, that is, they should be charged at a voltage of 3.8 to 3.9 V (the Optimal storage voltage of lithium batteries is approximately 3.85 V) and do not recharge them. be fully charged.

The correct charging method for electric vehicle lithium batteries:

1. Lithium batteries in electric vehicles are usually charged, preferably according. tospecifications It is stated in the book that charging is not available, it depends on the capacity of the lithium battery and the charger current, for example 48V/20A. For lithium battery, if the charger is 5A, it will take a little more than 4 hours to charge, if it is a 10A charger, it will take a little more than two hours, and if it is a 20A charger, it will take an hour.

2. Generally, newly purchased lithium batteries for electric vehicles are new and have large capacity. Charging will take longer and last more than 10 hours without changing the light in the future. Will get faster and faster, around 2 hours. It will decrease to 6 hours after a month, then it will be constant and last for about six months. The battery capacity will continue to decrease and it may be fully charged in 3-4. hours after a year. Of course, the battery is almost time to be replaced or needs maintenance.

3. After purchasing a car, the lithium battery should have about 80% of its power and should be charged when you get home. The appropriate time is to charge for 4 hours after the charger turns on the light. . This should be done three times.

4. Do not charge an electric vehicle's lithium battery for too long, preferably an hour after the charger changes the light. When charging, it is better to undercharge rather than overcharge, otherwise the battery will swell and swell due to lack of water. Cause irreparable damage to lithium batteries.

5. If possible, replace the cells in all lithium batteries for electric vehicles. For batteries that have passed the warranty period, refill each battery cell with 3 batteries every three or four months. 4 ml of demineralized water.

6. The discharge port and the charging port of the setmble of electric vehicle lithium batteries must be kept clean at all times to avoid patina on contact points, which could cause poor contact, overheating and damage.

7. The lithium battery of the electric vehicle must be exhausted before charging it for the first time, but it cannot be exhausted. When you buy a new electric car, the battery capacity will not be too full, but it will also not be too low, unless it is an old or poor quality battery. When using it, you should estimate the approximate running distance according to the merchant's estimation to avoid running out of energy or running out of energy.

8. No special methods are required to activate lithium battery electric vehicles. The lithium battery will be activated naturally when the electric vehicle is driving.

9. ARegular deep discharging is also beneficial for “activating” the battery and can increase battery capacity slightly. The general method is to completely discharge the battery regularly.

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