The quality of the battery is very good.
Luan lithium batteries have low internal resistance, high maximum discharge current and reasonable prices. If you use a multimeter to directly short circuit the two electrodes of the lithium battery, you will find that the current of the Luan lithium battery generally needs to be within a certain value or even more, and it can remain relatively stable for a period. time, which indicates that its quality is good.
If the battery is short-circuited for a moment, will it be damaged?
If it falls into the water, it will cause a short circuit, but the poster forgot one thing: the cell phone battery voltage is not high, and the water has resistance, and the resistance is not small. . If the voltage is too high, there will be obvious short circuit phenomenon in the water (such as: heat and sparks) ) There will be no pas obvious short circuit phenomenon in cell phone battery
I just did it. I shorted it because I changed the charging fork and it didn't fit the original charger plug, so I found a screwdriver and thought I tapped the position , and it turned out that the positive and negative poles were short-circuited because the screwdriver was a Sparks and smoke appeared instantly with a "pop" sound. Fortunately, I didn't get hurt. When I walked by, I saw that the plug was burnt and discolored. into the charger and it can be charged normally. I bought a new battery, but I don't know if it damaged the inside, I will know if I test the battery life tomorrow after it is fully charged. It's a matter of a moment and shouldn't be a big problem.