How far does an electric car generally change its battery?

The life of the battery is 2-3 years. Do not replace the charger. Do not remove the speed limit of the controller.

In 1860, France's Plante invented a battery that used lead as an electrod . This battery is unique in that it can be recharged and can be used repeatedly, so it is called a “lead-acid battery”. Therefore, most of the current electric vehicles are equipped with lead-acid batteries, because lead-acid batteries are low in cost and cost-effective. At the same time, some electric vehicle batteries use lithium batteries.

The advantage of the lead storage battery is that the electromotive force is relatively stable during discharge, and the disadvantage is that it is smaller than the energy (the electric energy stored per unit weight) and is highly corrosive to the environment. The lead storage battery has a wide operating voltage, a wide operating temperature range, a wide range of operating currents, hundreds of cycles of charge and discharge, good storage performance (especially suitable for dry charge storage), and low cost.

The life of the battery is 2-3 years.

Experienced users know that the cost of the battery is the biggest consumption of electric bicycles, so users are very concerned about the problem of extending the life of the battery. The first thing to assume is that there is no problem with the charger, and whether the user is using it correctly is critical to the life of the battery. The precautions for using the battery are as follows:

1. Do not replace the charger casually. Do not remove the speed limit of the controller.

Chargers from various manufacturers generally have individual needs, so don't change the charger when you are not sure. If the continuation mileage requirement is long, you must equip multiple chargers for off-site charging. The charger that supplements the charging during the day uses an additional charger, and the original charger is used at night. Removing the speed limit of the controller, although it can improve the speed of some cars, in addition to reducing the safety of the car, it will also reduce the battery life.

2. Protect the charger.

The general instructions for use have instructions for protecting the charger. Many users do not have the habit of reading the manual. They often think of looking for the manual after the problem. It is often too late, so it is very necessary to read the manual first. In order to reduce the cost, the current chargers basically do not have a high vibration-resistant design, so that the charger is generally not placed in the trunk and basket of the electric bicycle. In special cases, it must be moved, and the charger should be packaged in foam to prevent bumps. After many chargers are vibrated, their internal potentiometers will drift, causing the entire parameters to drift, resulting in an abnormal state of charge. Another thing to note is that the charger should be kept ventilated during charging. Otherwise, it will not only affect the life of the charger, but also cause thermal drift and affect the state of charge. This will cause damage to the battery. Therefore, it is very important to protect the charger.

3. Charge every day.

Even if your continuation ability is not long, you can use it for 2 to 3 days, but it is recommended that you charge every day, so that the battery is in a shallow cycle and the battery life will be extended. Some early-use mobile phone users think that the battery is best recharged after basic use, this view is wrong, the memory efficiency of lead-acid batteries is not so strong. Frequent discharge of electricity has a greater impact on the life of the battery. Most chargers may charge 97% to 99% of the battery after the indicator light is fully charged. Although only undercharged 1% to 3% of the power, the impact on the continuation ability is almost negligible, but it will also form undercharge accumulation, so after the battery is fully charged, it will continue to float as much as possible, to suppress battery vulcanization.

4. Charge in time.

The vulcanization process started after the cell was discharged, and at the beginning of 12 hours, significant vulcanization occurred. Timely charging can remove non-severe vulcanization. If not recharged in time, these vulcanized crystals will accumulate and gradually form coarse crystals. The general charger is powerless to these coarse crystals, which will gradually reduce the battery capacity and shorten the capacity. Therefore, in addition to daily charging, it is also necessary to pay attention to the early charging after use, as much as possible to make the battery full.

5. Regular deep discharge.

Regular periodic discharge of the battery also facilitates "activation" of the battery, which can slightly increase the capacity of the battery. The general method is to periodically discharge the battery completely. The method of full discharge is to ride to the first under voltage protection under normal load conditions on a flat road. Note that we especially emphasize the first under voltage protection. After the battery is under the first under voltage protection, after a period of time, the voltage will rise and return to the non-under voltage state. If the battery is used again, the battery will be seriously damaged. After the complete discharge is completed, the battery is fully charged. Will feel the battery capacity has improved.

6, develop some good habits of saving electricity.

Use sliding as much as possible. When using the following slopes, use the early power-off slide to reduce the speed as much as possible. When you are about to encounter a traffic light, stand by the taxi ahead of time to minimize the brakes. A friend told me that he would rather reduce the brakes once more in the bay. This makes sense.

When starting up, it is best to add riding assistance, not only can increase the starting speed, but also reduce battery power loss and life damage.

7, Pay attention to the charging environment.

The best ambient temperature for charging is 25 °C. Most chargers now do not have an automatic control system that adapts to the ambient temperature, so most chargers are designed for an ambient temperature of 25 ° C, so charging at 25 ° C is better. Otherwise, it will inevitably have problems of under-charging in winter and over-charging in summer. The ambient temperature is really less at 25 ° C, so there will be a problem of under-charging over-charging in summer. Fortunately, most families now have indoor temperature adjustment conditions, so when charging, it is best to arrange the battery and charger in a ventilated and temperature-controlled environment.

It is especially suggested that when the battery enters the warm room in the outdoor low temperature in the north in the winter, frost condensation will appear on the surface of the battery. In order to avoid leakage of the battery caused by frost condensation, it should be charged after the battery temperature rises to be close to the room temperature and dried.

8, make full use of maintenance conditions

Many electric bicycle dealers can provide battery maintenance and repair services, and should make full use of these services. Some brands of electric bicycles have been proposed to overhaul the battery. For example, regular maintenance of the battery can reduce damage to the battery. The repair of the state of charge of the battery can alleviate the "battery behind" failure, which is a breeze for dealers equipped with maintenance capabilities. For water loss, when the battery capacity is 70%, the water replenishment is better than the battery capacity of 40%. Even some brands of products have suggested that failure to overhaul at the specified time is equivalent to abandoning the warranty period of the battery. Consumers are subject to losses that should not occur. Therefore, consumers should make full use of the conditions of battery maintenance to increase the service life of the battery.

Through these methods, users can greatly extend the battery life. Some users have relatively short mileage, battery life is relatively long, and some problems are relatively difficult to find. Therefore, the "deep discharge" measure mentioned in Article 4 is also an effective way to find the battery problem in time, and it is difficult to deal with when the battery problem is serious.

It depends on how you ride the law. You usually ride without a person. You know that you are in a distressed car. You don’t need to power up when you start. If you don’t spend more than 40 minutes per day, you can usually ride for about 3 years. The important thing is not to let the battery lose power. It will be as short as a person with a hungry stomach. Therefore, the battery should be fully charged when conditions permit. The battery is used up once a month and is being charged, in order to prevent the battery from storing its own power. Finally, I recommend buying a Panasonic battery . I am typing very slowly, let me ask questions.