From：CTECHI GROUP Limited Release time：2019-01-15
Overview：Users of smartphones seem to have encountered such a headache, that is, the remaining power displayed by the mobile phone seems not to be true and reliable, and many users also have the situation of automatic shutdown when the remaining power is still 20%. But in the reports of the foreign media The Wirecutter, we can probably get the answer to this question.
Users of smartphones seem to have encountered such a headache, that is, the remaining power displayed by the mobile phone seems not to be true and reliable, and many users also have the situation of automatic shutdown when the remaining power is still 20%. But in the reports of the foreign media The Wirecutter, we can probably get the answer to this question.
It is reported that the percentage of batteries displayed on most smartphones is actually estimated. The only way to determine the real residual power of a cell phone is to install sensors for lithium-ion batteries. However, mobile phone manufacturers do not do this. Usually, they use algorithms to measure the voltage released by current batteries, and on this basis, calculate how much power is currently used by mobile phones. In addition, in order to more vividly describe the principle of cell phone power consumption, The Wirecutter also used a bucket of water to do experiments to compare the speed of water flowing out of the hole.
However, the power estimation method used by mobile phone manufacturers is still useful, but there is often a gap in this algorithm, which is not a perfect battery life index. It is worth noting that the number of cell phone batteries will also affect the speed of power consumption, and when the cell phone is used for too long, the original battery estimation method has a "blind guess" component; in addition, the crystals formed inside the battery will reduce the capacity of the battery, which also makes the calculation of the remaining electricity become confusing.
So professionals warn us that the best way to maintain cell phone batteries is never to let its remaining power into the red warning area, and if you happen to have the habit of carrying charger with you, it is best to regularly charge the smartphone. Of course, you can also consider ways to extend the lifetime by saving power mode and deleting a large number of power-consuming applications. At the same time, users should also avoid using mobile phones in extremely cold or hot environments.
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