I considered the smartphone charge percentage and the remaining amount display percentage.
I quit charging my smartphone at 80%. (Image ①)
When I left the plug of the charging equipment the smartphone was in the power-off state because I started to charge it in power turn-off.
I was able to turn on the power immediately and use it from 80 percent of the remaining battery power (image ②), but I dared to turn off the power.
After having breakfast, reading the morning newspaper, heading to the office, and turning on the smartphone after arriving at the office, the battery level had increased to 89 percent.
This indicates that the battery continued to generate electricity and continue to charge for 1 hour and 25 minutes after the charging was stopped.
According to the experimental results, it increased to 100% when the battery was charged to 98%, the power was turned off, and then turned on after a while.
When I charged it to 95 percent, turned off the power, and turned it on after a while, it still increased to 97 percent.
When I charged it to 90%, turned off the power, and turned it on after a while, the remaining amount increased to 97 percent.
When charging was stopped at 85%, the remaining amount displayed was 97 percent.
From these experimental results, the remaining Y% displayed when the power is turned on after charging the battery to X% and aging it for a while with the power off is
Y ≒ X + 0.1X
Is derived
However, since the scale display of the remaining charge of the smartphone is 100% at the maximum, * 1) It is conceivable that 100 or more will be truncated or saved separately, and will be compensated for up to 0 when saved according to consumption.
I want you to think back. The gold medal of the Tokyo Olympics was extracted from the electronic boards of mobile terminals and PCs that are no longer in use ... The amount of money generated from a single terminal is small. But we had a large amount of industrial trash. So it was said an urban mines.
If we can take the time to ripen like wine and pickled plums without turning on the power immediately after charging the smartphone, the energy problem of humankind may be solved.
* 1) I depend on the elucidation to a facility with abundant experimental equipment.
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