First remove the battery from the battery car, and then wipe the clean surface with paper towels or rags, first open the lid to see the water hole, some batteries are directly push and pull, directly open the lid can be opened, if not push and pull, you need to use a screwdriver at the exhaust port inserted in, and then the screwdriver up, the lid up and then slowly open.
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The battery has 6 water injection holes, and there will be a cap to cover the water injection holes, so pull out the rubber hat first, and pay attention to the hat flying when pulling, because of the pressure problem, it is best to cover it with your hand.
Then use a needle to inhale distilled water, each hole to add 7 milliliters, if it is an electric motorcycle battery to add 12 milliliters, in turn to each hole injection, distilled water can go to the store to buy.
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After adding water, put the rubber cap back on, and you can also observe to see if there is any abnormal reaction.
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If there is no reaction, you can cover the cover back in the original way.
If it is pry open with a screwdriver, you need to dip a little pvc glue on the screwdriver, respectively on the lid and the battery, so that after the lid is covered back, use a screwdriver to press a few times, so that the glue glue, glue not too much, otherwise it is difficult to open the next time.
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After the lid is covered, the battery can be installed back in the battery car, but it is best to stand for 24 hours before charging, so that the battery absorbs distilled water first, so that the electrolyte in the battery can be fully integrated, and the density is the best.
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Finally, no problem is connected to the battery car and battery wires, charging can be.
If the battery can find the seller to help you deal with it during the warranty period, or if the charger can automatically turn green when you charge, it is normal and does not need to add water
Usually, the battery referred to by people refers to the lead-acid battery, that is, a battery mainly made of lead and its oxide electrode and sulfuric acid solution as the electrolyte.