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Electric vehicles have gradually become an important means of transportation for the general public. Due to the fact that most citizens do not understand the charging and discharging principles of batteries, they cannot charge them correctly, resulting in batteries being scrapped after about a year of use. So, how long is it good to charge an electric vehicle? Have you done the maintenance of electric vehicle batteries? Here, the editor reminds the general public not only to choose electric vehicle battery brands with quality assurance, but also to pay attention to the charging time of electric vehicle batteries. Only by paying more attention and proper maintenance in daily life can electric vehicle batteries extend their service life.

How long does it take for electric vehicles to charge?

After buying a car or replacing the lithium battery of a forklift, the battery should have about 80% of its capacity and should be charged upon arrival at home. It is recommended to charge it for another 4 hours after the charger turns on the light.

2. In the future, it is necessary to charge every day (36V for 10 kilometers, 48V for 15 kilometers), but the charging time should not be too long. It is advisable to charge the charger one hour after the light changes. It is better to undercharge than overcharge when charging, otherwise the lithium forklift battery will be charged due to water shortage, swelling and swelling. Causing irreparable damage to the battery.

3. Do not allow water to enter the battery box, as it may cause the battery inside the casing to become connected.

4. Complete discharge once a month (ride until the undervoltage light comes on), and then continue charging for 12 hours.

5. If conditions permit, swap the individual cells in the entire set of batteries. For batteries that have exceeded the warranty period (especially in summer), add 3-4 milliliters of deionized water (Wahaha purified water is also acceptable) to each cell every three to four months.

Once it is found that the charger does not turn green or turns green as soon as it is charged, be sure to check if there is a problem with the charger or if it has lost water.

7. The discharge and charging ports of the entire lithium forklift battery should be kept clean at all times to prevent copper rust at the contact points, which may cause poor contact and overheating and damage.

8. For those with pedals, try to start with your feet and avoid excessive load, accelerating smoothly. Do not start the car by simply powering it on.

Is it okay to charge the lithium forklift battery after it is discharged?

Due to the deeper and shallower discharge, the number of cycles will increase significantly. Therefore, according to this theory, frequent charging is beneficial for cycle life, but for the chargers currently widely used in the market, due to factors such as price and technological level, chargers have defects such as high failure rate, poor reliability, and low accuracy. Therefore, sometimes frequent charging can actually affect the battery's lifespan. Discharging and recharging the battery may reduce the number of charges, but during discharge, there may always be differences between individual batteries, which may cause some individual cells to be over discharged. The charging capacity of over discharged batteries will be greatly reduced, leading to insufficient charging faults. In addition, due to discharging and recharging, the charger has a long heavy load time and is prone to damage. Therefore, based on the above, we believe that it is reasonable to charge the battery at 50-70% of its capacity, which is beneficial for its use.

What are the harms of overcharging and undercharging batteries?

Overcharging means that the charging current of a lithium battery is greater than the acceptable current of the battery, and the excess amount is the amount of overcharging. Overcharging is mainly due to the side reaction of electrolyzing water. Due to the transfer of oxygen from the positive electrode of the battery to the negative electrode, oxygen recombination reaction occurs, which generates heat. Therefore, the overcharging amount is actually converted into heat, causing the battery temperature to rise. If not controlled, it will cause a large amount of water loss, and in severe cases, it will cause a significant reduction in thermal runaway capacity, Even deformation and other malfunctions. Undercharging, in layman's terms, refers to the situation where the battery is not fully charged and is often under charged. The electrode gradually forms a thick and hard lead sulfate that is almost insoluble, resulting in irreversible sulfation. Ordinary methods cannot be used to charge it, so the capacity will rapidly decay time and time again.

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