How to check and maintain the car battery? Many car owners think that the battery is a very simple thing, and they don't care much about the maintenance at ordinary times. In fact, Audi's daily use in Jinan BMW automobile repair company, the battery on the car is an essential equipment, and its working environment directly affects the performance of the car's electrical system and electrical control equipment, so the car can't be started, Even breakdown occurs.

　　电池检测方法:

　　Battery test method:

　　1. 电压检查

　　1. Voltage inspection

　　电池良好状态下的标准电压应保持在12.2 ~ 12.7v之间。若充电电压过低应及时充电，充电时应保护好奥迪人汽车维修地址，长时间保持少量充电。电池充电需要使用的充电器，车主不要试图自己充电，只要车主让汽车保持引擎运转就可以给电池充电。如果电池老化，应该更换。

　　The standard voltage of the battery in good condition shall be kept between 12.2 and 12.7v. If the charging voltage is too low, it should be charged in time. When charging, the maintenance address of Audi should be protected and a small amount of charging should be maintained for a long time. Battery charging requires a professional charger. The owner should not try to charge the battery by himself. As long as the owner keeps the engine running, the battery can be charged. If the battery is aged, it should be replaced.

　　2. 电解液密度检查

　　2. Electrolyte density inspection

　　这是评价电池充电是否正常、是否老化的一个重要参数，可以用密度计或电解质密度仪来测量。如果电解液密度太小，就需要重新充电。电解液浓度过厚或过薄到一定程度，说明存在平板硫化、短路或过充现象，需要修复。

　　This is an important parameter to evaluate whether the battery charging is normal or aging. It can be measured by densitometer or electrolyte densitometer. If the electrolyte density is too small, it needs to be recharged. The electrolyte concentration is too thick or too thin to a certain extent, which indicates that there is flat vulcanization, short circuit or overcharge phenomenon, which needs to be repaired.

　　3、检查电池桩头

　　3. Check the battery pile head

　　电池桩头是电池与车辆连接的部分，如果有腐蚀或连接不良会导致电池工作不良，业主可以检查在桩头附近是否有白色粉末产生，这些都是桩头腐蚀的迹象。如果白色粉末太多，可以用开水烫掉它，经过腐蚀处理后，在桩上涂抹一些油脂或防腐剂即可，但要注意不要涂抹太多，以免影响使用。

　　The battery pile head is the part connecting the battery and the vehicle. If there is corrosion or poor connection, the battery will not work well. The owner can check whether there is white powder near the pile head, which are all signs of pile head corrosion. If there is too much white powder, you can scald it with boiling water. After corrosion treatment, you can apply some grease or preservative on the pile, but you should pay attention not to apply too much to avoid affecting the use.

　　4. 瓶形检验

　　4. Bottle shape inspection

　　电池通常留在发动机舱内，有些好的处理外面有一个保护套，虽然外面不会对它有直接的影响，但是如果电池老化，内部过热，冷热变化会造成原来平整的表面变形。如果发现电池外观有变化，必须更换。

　　The battery is usually left in the engine compartment. Some good treatments have a protective cover outside. Although the outside will not have a direct impact on it, if the battery is aged and the inside is overheated, the change of heat and cold will cause the original flat surface deformation. If the appearance of the battery changes, it must be replaced.

　　为了爱车能正常启动，汽车音响等电子设备能正常发挥作用，我们必须注意对电池的日常使用进行检查和保养。

　　In order to start the car normally and the electronic equipment such as car audio can work normally, we must pay attention to check and maintain the daily use of the battery.

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