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Virtual battery "is an unprofessional term used by ordinary users to refer to one of the characteristics of a battery. Every battery has a physical characteristic: as long as there is electrical energy in the battery, the battery itself has the potential to attempt to maintain its nominal physical voltage until it completely loses energy.
The specific description of this phenomenon is that when the discharge of the battery is almost complete (almost depleted of electrical energy), there is still a very small amount of electrical energy present. At this point, if the battery is removed from the working environment (circuit disconnected), the voltage of the battery will gradually return to the nominal voltage (3.6V for lithium batteries). But this is theoretical data, and the actual situation will be even lower. But the voltage close to the nominal value that exists at this time does not necessarily mean there is electrical energy! When you connect it to the working environment, due to battery discharge and insufficient power, the working voltage of the battery will immediately drop to the lowest and cannot function properly. This phenomenon is commonly referred to as the "virtual electricity" phenomenon.
Generally, such problems with batteries are mostly caused by using a power adapter with insufficient capacity to directly plug into the phone for charging or long-term use of "universal charging" for charging. The amount of electricity consumed by constant voltage charging or constant current charging is the same! Moreover, if the current is not limited during constant voltage charging... the temperature of the battery will be very high, and then it will explode (assuming the power supply voltage is 4.2V, the battery voltage is 2.5V, the power supply internal resistance is 0, and the battery internal resistance is 200 milliohms, the charging current can reach 8.5 amperes. Ordinary mobile phone batteries cannot withstand such a large current. Moreover, the internal resistance of the new battery is much lower than the 200 milliohms set by the editor, so the current will be even larger. (Some inferior universal chargers intentionally set the cut-off voltage to 4.3V to make users feel that the charged battery is durable. At this time, the battery has already been overcharged, and too small a charging current is also harmful to the battery).
For lithium batteries, on-demand charging is actually more effective in extending the battery's lifespan than deep charging and deep discharging. A charging current of half the battery capacity also helps to extend the battery's lifespan. Therefore, if you are not a DIY enthusiast with good hands-on ability, it is better to use an original charger.
Conclusion
In fact, what we often refer to as "virtual battery" can be understood as the phenomenon of "light return" that occurs when the battery of a mobile phone is about to run out of power. It doesn't mean that when the phone battery suddenly drops 20% of its capacity when fully charged. Comrades who experience this situation should not use virtual power to explain the problem. Hurry up and replace the battery!
Finally, the editor will introduce a few tips for maintaining the "long-lasting power" of batteries:
1. In general, the batteries used in mobile phones have an activity issue. How to activate the activity of the phone and keep the battery in the most efficient state has become an important issue to pay attention to when using a mobile phone. The activity of the battery is also related to the temperature of the environment. Generally speaking, mobile phone batteries can work normally between -10 ℃ and 50 ℃. Therefore, we should try to avoid working our mobile phones in environments with temperatures above 50 ℃ or below -10 ℃, otherwise the usage time and lifespan will be greatly shortened.
2. Some people prefer quietness and do not want the ringing sound of their phones to disturb themselves or others, so they enable the vibration function of their phones. Little do you know, this feature consumes a considerable amount of battery power. If you want to keep your phone working longer with the same amount of power, I suggest you cancel this feature.
3. By default, the phone will automatically activate the "night light illumination" function, but this feature does not light up and consumes the most electricity, so it is of little use. Of course, if you urgently need the luminous lighting function in dark conditions, you can follow the following settings and operations: first open the options menu of your phone, select the "Other Settings" menu item, then open the "Phone Settings" option and press the key to set it. Add a "√" sign in front of the automatic lock keyboard option, and you will find that the luminous lighting appears again!
4. When using a mobile phone in an area where the network signal is non-existent or extremely weak, it will greatly consume the battery life of the phone, so the phone should be turned off in this situation.
5. If you are a careful user, you will find that when the phone button is pressed and held, there will be accompanying sound, which can be said to have no musical sense, only hindering others' "functions", not to mention that it also consumes battery power! Therefore, we should firmly turn off the "button sound" function. Of course, if you prefer to show off yourself, that's another matter.
6. If you are a thrifty person, you will definitely think of this trick, which is to try not to answer phone calls. After hearing this, you may become angry and shout, are you "playing" with us? (I won't read the following content, it must be all "parallel imports"). Wait a minute, I haven't finished speaking yet. By not answering the phone, I mean using the "transfer" function as much as possible to automatically transfer the phone to the landline. Imagine using a mobile phone to answer calls even though you have a landline phone, it's a waste of electricity! Switching to a landline phone saves electricity and reduces radiation, why not do it!
7. The most important thing when using a mobile phone is to have practical functions. For those functions that have little value, it is best to "block" them all, which can save more battery. For example, the functions we should block include the "business prompt sound" function, "startup greeting" function, "animated menu" function, and "quick network search" function, all of which consume battery power.

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