Smartphone Battery Health: In today’s time, smartphone has become the most important part of our life. Smartphones are needed even for the smallest and biggest tasks. Many people, in order to go to office early in the morning or for other work, leave their phones charging at night and go to sleep. In such a situation, many people have questions regarding this that even when the phone is 100 percent charged, electricity continues to come from the charger.
In such a situation, where does that current go and does it damage the battery, then let us tell you today why the charging of the phone does not stop even after having 100 percent charger and where does the current go after the battery is full.
Does charging stop after 100 percent charge?
Now the upcoming smartphones have become much smarter than before. Advanced battery management system and charging circuits are provided in these. As soon as the battery reaches 100 percent, the phone stops sending power directly to the battery, meaning the battery does not overcharge and does not store power continuously. However, this does not mean that the power coming from the charger stops completely. The phone uses a special system to keep the battery fully charged, which is called trickle charging.
Where does the current go after the battery is full?
When the phone is 100 percent charged, the charging circuit stops the main charging. After this, the phone draws only as much power as is required to meet the small battery drain in the background. For example, if a notification comes, an app is running in the background or a call is received, then some battery is consumed. Trickle charging keeps filling this gap, so that the battery remains near 100 percent. This is the reason that despite being on charge all night, the phone’s battery does not get continuously overloaded, but it remains at high voltage for a long time.
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Does this damage the battery?
Leaving it on charging overnight once or twice does not cause any major harm to the battery, but if this is done daily then the battery capacity can be affected in the long run. According to experts, continuously maintaining the battery at 100 percent charge increases the pressure on its chemical components, due to which the battery starts degrading gradually. Apart from this, if the phone becomes too hot during charging then the battery life can reduce rapidly. Especially when the phone is kept on a pillow, blanket or any warm place.
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