How to maintain the battery?

Some common car battery maintenance tips:\x0d\\x0d\1, with a damp cloth to the battery external scrub, the panel, pile head (that is, positive and negative two pole head) of dust, oil, white powder and other easy to cause leakage of dirt wipe clean. This often scrub the battery, the battery pile head will not accumulate white acid corrosion powder, this car battery maintenance method will its service life is relatively long. \x0d\\\x0d\2, open the battery filler cap to see if the water level is in the normal position. Like this kind of car battery maintenance generally in the side of the battery will have the upper and lower limit of the marking line for your reference. If you find that the water level is lower than the lower marking line, you must add distilled water, if you can't get distilled water at once, you can use filtered tap water to emergency. Water must not be added too much, the standard is added to the middle of the upper and lower markers. \x0d\\\\x0d\3, the third point of car battery maintenance to pay attention to is to check whether the battery is charged properly. If you have a three-use meter, after starting the engine, measure the voltage of the poles of the battery, which must be more than 13V to be considered normal. If you find that the charging voltage is too low, you need to have the charging system overhauled by a professional. If there is no three meter, visual inspection method for car battery maintenance, the method is: engine start, open the battery water cover, see if there is no bubble inside each small frame. Normal conditions are constantly bubbling out of the water, and the more oil will bubble more; if you find no bubbles, it is likely that the charging system has a problem. Special attention is to do this test will have hydrogen gas, so do not smoke during the test, in order to avoid the risk of explosion and fire.