No maintenance-free batteries. Really, no maintenance-free batteries?

The maintenance-free battery actually eliminates the need to frequently add electrolyte or distilled water. In theory, the life of maintenance-free batteries is generally 2-3 years. If used and maintained properly, it is no problem to use for more than 4 years. However, if it is used and maintained improperly, it may cause damage even in a few months, so it is very important to use and maintain the battery correctly.

First, how to check the battery without maintenance?

A part of the battery without maintenance has an observation hole, which can intuitively reflect the current status of the battery. The color inside the hole is recognized by the naked eye. Green indicates normal, black indicates that the battery needs to be charged, and white indicates that the battery needs to be replaced. However, it is sometimes not accurate to identify the condition of the battery by observing the hole. At the same time, there are also a large number of maintenance-free batteries that do not have observation holes. How should we check?

If there is a voltmeter on hand, the voltage can be measured after the vehicle is set overnight. If the vehicle engine is turned off, if the voltage is higher than 12V, the battery is in good condition. If it is below 12V, it means that the battery is not enough power or its life is close to the limit, and should be considered for inspection or replacement.

If there is no tool, the headlights can be turned on for inspection when the engine is turned off. If the light is white, it indicates that the battery is normal; On the contrary, if the light is dim, it means that the battery is in poor condition and needs to go to a professional maintenance site for battery testing. In addition, starting the engine, if the headlights are much darker than the flame-off state, or the lights of other electric equipment in the car are also dimmed, it also shows that the battery has excessive discharge, or the battery charging effect is poor. Need to replace.

Second, how to protect the battery in daily use?

1. Before turning off the engine, pay attention to extinguishing the lights, air conditioners, and other electrical equipment inside and outside the vehicle:

After the vehicle is turned off, a large number of power devices will still remain in operation, but at this time the generators driven by the engine will stop generating electricity, and the power pressure of the power equipment will fall on the battery, releasing a large current to it. Damage, In particular, high-power electrical equipment such as air conditioning, so try to shut down all electrical equipment before turning off.

In addition, after getting off the bus, the vehicle should be checked for a week to check whether the lights of the vehicle have been completely turned off, so as to avoid forgetting the possibility of turning off the lights, causing continuous discharge of the battery at night and affecting the start of the vehicle the next day.

2. Disable electrical equipment before start up of vehicle:

The moment the vehicle starts, the starter will consume a large amount of current from the battery in an instant, and if the car is still on other electrical equipment, it will exacerbate the discharge of the battery, and the instantaneous high load current will be released. Over time, it will affect its service life.

3. After a long period of inactivity, the vehicle should be launched to charge the battery:

Even if the vehicle is not used, the battery will be in a slow discharge state. If the vehicle is not used for a long period of time, the battery's power will gradually decrease until the vehicle can not be started, and the battery with a long period of low power will be used. The service life will also be affected. Therefore, after a long period of static vehicles, should occasionally start the vehicle for its charging, to ensure that the battery is always in a state of no lack of electricity.

4. Vehicles with automatic starting and stopping functions should pay more attention to the battery status:

With the increasing popularity of the luxury function of cars, such as seat massage, seat heating and other high-power equipment, poor usage habits may cause more damage to batteries. Among them, if the vehicle has a self-stop function, the frequent start of the vehicle's engine will increase the load of power storage. A long period of walking and stopping in the urban area, coupled with a short journey, is likely to cause battery loss. It is recommended that the self-stop function be closed when traffic jams or short mileage are used to prevent the battery loss from starting the vehicle.

Write at the end:

For car batteries, the most important role is to start the engine to power the engine. If the battery does not work well, then the inability to start the vehicle has a serious impact on the travel plan. If it is located in a remote area, the rescue is even more difficult. Therefore, it is necessary to check the battery status of the vehicle from time to time to prevent the possibility that the vehicle can not start. In general, the service life of maintenance-free batteries is about 2-3 years. Even if the vehicle is not unable to start, it should be more specialized in charging and discharging the battery during maintenance. If there are problems, it should be replaced in time.