How to maintain the water battery of electric vehicles?

Electric vehicle water battery maintenance method 1) The electrolyte must be made of chemically pure sulfuric acid (or special electrolyte) and distilled water. The density of the electrolyte is generally 1.25-1.29g/cm3 (at 15c). Industrial sulfuric acid and general water contain impurities such as iron and copper, which can cause self-discharge and plate damage, and cannot be used in batteries. How to maintain the water battery_how to maintain the water battery 2) The battery is almost dead, and the specific gravity of the electrolyte is not less than 1.19. When adding the liquid, choose to add distilled water to near the lowest scale line, and then add pure sulfuric acid (or special electrolyte). Make the specific gravity about 1.2, and the amount of liquid added does not exceed the upper limit scale. 3) After the electrolyte is injected into the battery, let the battery stand for 3-6h, and charge it only when the electrolyte temperature is lower than 35c. The charging time is about 3-4h. During the charging process, when the single cell voltage of the battery rises by 2.4v, more bubbles begin to appear in the electrolyte. At this time, the charging current should be halved. After the charge is over, a discharge test should be carried out to avoid the vulcanization damage of the battery, which is only charged on the surface, which is actually unusable. Therefore, it is necessary to observe if the battery has sulfide precipitation before charging, it should be replaced. 4) Adjust the specific gravity of the electrolyte when it is full: when the room temperature is 30-40c, the relative density of the electrolyte is 1.270; when the temperature is 20-30c, the relative density of the electrolyte is 1.280; when it is below 20c, the relative density of the electrolyte is 1.290. Water battery is a kind of lead-acid battery, because there is more liquid in the battery, people usually call it a water battery; the liquid in the water battery is relatively easy to lose, and it is necessary to frequently replenish water, so it is also called a maintainable battery. This kind of battery is mostly used in automobiles and motorcycles, but also in ordinary electric vehicles. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous post: Which ways to extend the life of electric vehicle batteries?