How to judge the quality of the battery?
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2022/10/14 11:44:34
The methods to determine the quality of a battery are as follows:
1. Hold the positive and negative electrodes of the battery respectively by the two positive and negative test pliers of the tester, press the test button, and observe the indicator of the test instrument.
2. If the meter indicates that the voltage is above 9V, it indicates that the battery is in good condition. If it is below 9V but the pointer is fixed at a certain value, it indicates that the battery is in a state of power deficit.
3. If the pointer drops slowly, there is a short circuit in the battery. If the pointer drops quickly to OV, there is a circuit disconnect in the battery.
Precautions for using battery:
1. Do not use electronic equipment in the car for a long time without starting the engine, which will reduce the battery life;
2. Do not start for a long time to disconnect the negative electrode of the battery, so as to prevent the battery from losing power.
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