What is State of Charge ? Why do we need to Question about it ?

Sanjay Kumar Monu
Aug 8, 2017 · 2 min read
STATE OF CHARGE

Battery Status of your PC or Smartphone is measured by a terminology which we call ” State of Charge “.

Battery Status is measured as percentage in Smart Phone.

What is State of Charge ?

State of Charge is the current status of your battery. It is measured in percentage like 96% battery remaining & something like that.

What is actually meant by State of Charge Mismatch ?

Sometimes you will notice that as soon as your battery is charged and you plug in it for charging, then it starts showing full charge in a while. But the truth is that it does not even charge half. This error occur due to state of charge Mismatch. In some cases the State of Charge Mismatch is looks differently, like your battery will shows less charge percentage but the battery backup will be available for longer.

Why State of Charge Mismatch occurs ?

As almost all the smartphones uses Li-ion battery and they don’t manufacture that battery. Now since our smartphone is of a different company and the battery is of a different company, the state of charge information is not properly synchronized between them. On the other sides there are some smartphone company who manufactures battery for their own smartphone, In that case SOC info. is generally good. The synchronization of SOC Info. between the battery and the phone firmware also depends upon how the Firmware is programmed.

Although this is common in all smartphones and this is also a serious problem, we will look forward into this. Now we understand why state of charge Mismatch occurs.

What happens if State of Charge Mismatch Occurs ?

If state of Charge Mismatch occurs you could either possibly Overcharge or Over-drain your PC or smartphone battery. How ? Since the State of Charge Mismatch occurs your PC or Smartphone show you incorrect info. about the Battery Charging Percentage or Vice Versa.

How to correct the State of Charge Mismatch ?

State of Charge Mismatch Can be Corrected by a technique which we call as Battery Calibration.

You could read all about Battery Calibration here : Battery Calibration

You could read more about State of Charge at Wiki link here : State of Charge

Sanjay Kumar Monu
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