While flying in relatively cold weather (-1°C) I noticed that the battery voltage values changed color during the flight before I came to the 30% low level warning (toggle set to show them on the screen). Can someone explain the significance of the orange or red values? The battery level was above 40%, so these do not correspond to the level values. They seem to correspond to load levels; but I am not at all sure. I assume if we see red voltages, one should let off the sticks, but I am fairly light on those anyway. Thanks in advance for an explanation (or a link to one).
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