1, the battery should be charged after power failure;

2. The battery voltage is lower than 9V, which cannot be improved after charging or maintenance, and it needs to be replaced with a new battery;

3. Ordinary lead-acid batteries can be used after charging. Maintenance-free lead-acid batteries will be scrapped directly, and the power consumption is too serious to charge.

4. If the battery can't be charged or the starter is weak and the headlights dim, take out the battery and charge it with a charger 12 to 24 hours.

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There are many factors that affect the battery life cycle, and the driving habits and usage of the car will also affect the battery life cycle. Automobile battery has a technical index to express its anti-vibration performance. In the process of driving, if you drive frequently and violently, the service life of the car battery will be shortened. During use, the battery will age. If the battery is aging, it will overheat inside and deform in severe cases. If this happens, it must be replaced in time. Million car purchase subsidy