Recently, the temperature has plummeted, the weather is getting colder, and entering the winter, the maintenance of the battery has become a concern for the small partners. To extend the life of electric vehicle batteries, you must pay attention to battery maintenance in winter!
At present, electric vehicles generally use lead-acid batteries as a power source, and the energy stored in lead-acid batteries is proportional to the temperature. Therefore, when the temperature drops, the amount of electricity stored in the battery also drops, so some small partners think that the power consumption has increased.
The so-called battery capacity is based on the capacity at 25 ° C. When the ambient temperature is lower than 25 ° C, the mileage of the electric vehicle will be relatively short, which is a common phenomenon. But the more the face of the arrival of the winter, the best time to test the performance of electric vehicles will come!
One of the tricks
Using an electric car in winter should keep the battery in a fully charged state, which will extend battery life. The battery should be fully charged before use. Occasionally, if it is not fully charged, it will have little effect on the battery, but it will often be used when it is not fully charged. The battery will produce a kind of “memoryâ€, which will affect its mileage and also reduce the service life of the battery. .
Tips and tricks
Due to many factors such as geographical location, some areas cannot travel in winter, but electric vehicle users should also charge the battery once every other month to ensure the battery's storage capacity. In the winter, the battery should be stored indoors and charged indoors. After the battery is fully charged, it should be extended for 3-5 hours.
The best of the best
If you encounter a bad road condition such as snowy road slip or when going uphill, headwind, or cargo, you should use human riding assistance as much as possible to avoid impact damage to the battery. If the battery often has insufficient charging and the riding mileage becomes short, the owner should go to the professional maintenance department to check for safety hazards.
Four of the tricks
The best ambient temperature for charging is 25 ° C, but because the ambient temperature is really less at 25 ° C, there are often problems of under-charging in winter and over - charging in summer. Fortunately, most families now have indoor temperature regulation conditions. When charging, it is best to arrange the battery and charger in a ventilated and temperature-controlled environment.
Five of the tips
In case of snow, you should take timely protective measures, and do not let the lost snow water inundate the center of the hub and cause unnecessary losses. At the same time, the winter weather is cold and easy to freeze. In order to avoid leakage of the battery caused by frost condensation, the battery should be charged after the battery temperature rises to be close to the room temperature and dried.
Battery small dry goods
The battery capacity is based on a temperature of 25 ° C. For every 1 ° C drop in temperature, the battery capacity drops by 1%, and the winter mileage is about 42% of summer. In the low temperature environment, the battery has low cycle capacity, the electrolyte viscosity increases, the chemical reaction resistance increases, and the charging time may be shortened (70% charge below 5 °C). The charge amount is 60%--70%, the discharge amount is 50. %--60% range, mileage reduced (not far away). Winter mileage calculation (charge 70% multiplied by 60% discharge is equal to 42% summer mileage). It is recommended to charge the electric car indoors (with the ride)!
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