How to tell if the No. 1 battery has power

time：2025-01-26 16:02:23 Gadget Highlights

How to test whether the battery has electricity or not? Teach you a trick, no tools, one second to measure

I believe that everyone is familiar with the battery, in daily life, it plays an important role, so, how to judge whether the battery at home has electricity? Don't worry, teach you to know if there is electricity without any tools for a second, and save a lot of money to buy batteries a year, come and find out together

1. First of all, take out the batteries that need to be tested at home, then take a battery, put the positive pole of the battery up, and then throw it vertically on the table, if the battery does not fall upright, it means that it is still electricity, if it is down, it means that the battery is out of power, it is very practical and convenient, and test it quickly

2. This is because there is a liquid gelatinous substance in the battery, and when the power is smaller, this substance is closer to the solid state, so if the battery is empty, it will make a crisp sound when it falls on the table, and it will fall on the table. If the battery is still charged, it will stand upright on the table. Therefore, we can judge whether the battery is still charged without tools based on this

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