Many Flight Controllers allow the ability to see the current (measured in milliamp hours or mAh) and voltage (V) from our goggles and headsets via on-screen-display (OSD).
Often times, the calibration is incorrect, leaving us believing that we have consumed the current that we are reading. In reality, we may have consumed more or less than what is being displayed.
The result in less flight time, or worse, too much flight time where the battery is drained to the point where it starts to chemically break down and become less consistent.
CLICK HERE to read the full article.