Re: Calibrating a battery without Android launched

On 19/07/2025 01:26, VanguardLH wrote:

Mobile devices detect
voltage at "full" charge, voltage at full discharge, and plot a linear
interpolation between the two.

If they did a linear interpolation, about 40% of the charge would be shown as lost in the first few minutes.  If just using voltage, you have to linearise the discharge curve to get anything that would be considered acceptable, although I believe they now rely a lot on coulomb counting.