At present, most of the vehicle batteries are dry-type batteries. The advantage is that the electrolyte is not charged after the addition of the electrolyte, and the car can be started after 30 to 40 minutes. Some car owners do not understand the working principle of dry-charged batteries, and will not maintain them, so that the battery life is greatly shortened. The right choice and use of the battery can start from ten aspects.
When you buy a battery, you can see the letters above. Anyone with a QA letter is a dry battery.
1. Shake the electrolyte and add it to the battery. Wear gloves when handling, taking care not to spill electrolyte on your hands or clothing.
2. The battery without the marking line, the electrolyte is 10 to 15 mm higher than the electrode plate; the battery with two red wires, the electrolyte must not exceed the upper red line.
3. Some people think that the more electrolyte, the bigger the electricity, this is the wrong idea. When the car is driving at high speed, the generator output voltage is greater than the battery voltage and begins to charge the battery. When charging, the volume of the electrolyte expands, and if the electrolyte is too full, it will overflow from the small hole in the battery cover. The electrolyte is electrically conductive, and once it flows between the positive and negative electrodes of the battery, a self-discharge of the circuit is formed. The car can't start and the battery life is shortened. In this case, apply cotton wool to wipe off the electrolyte, or rinse with boiling water.
4. Do not let other items fall into the battery when adding electrolyte. If something accidentally falls in, do not use metal materials to fish, use wooden sticks to remove impurities; if you use iron wire or copper wire to fish, metal molecules will enter the battery under the corrosion of sulfuric acid to form self-discharge, damage the battery.
5. Regularly check the small holes in the battery cover for ventilation. If the small holes are blocked, the generated gas will not be discharged, and the battery casing will be broken when the electrolyte expands, thereby reducing the battery life.
6. Regularly check the liquid level of the electrolyte, and add the electrolyte in time when the liquid level drops.
7. If the vehicle is not used for a long time, the car should be started every 25 days and run at medium speed for about 20 minutes. Otherwise, the car will be placed too long and will be difficult to start.
8. When removing the battery from the car, first remove the negative electrode and then remove the positive electrode. The opposite is true when loading. Be sure to unscrew the battery cover when charging. Do not use an open flame to access the battery port being charged, because the hydrogen generated in the battery is easily deflagrated when charging.
9. Do not just replace the battery with a larger capacity than the original battery. Because the amount of power generated by the car generator is fixed. If the battery with a large capacity is replaced, the new battery will be undercharged, the car will not start smoothly, and the long-term loss of the battery will shorten the life.
10. When starting the car, the starting time should not exceed 3 to 5 seconds, and the restart interval should be no less than 15 seconds.
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