globalrider
Alps Adventurer
I have this installed (indicates 12.9 vdc w/ motor off).
Where is this voltage measured? Directly at the battery or somewhere else in the circuit?
As for that 60% indication; 60% of what? I can tell you it isn't an accurate capacity measurement if that is what it is supposed to signify.
It may be 60% of a voltage range. That range would be 11.4V (0%) to 12.8V (100%), for example.
the indicated voltage with the engine running is about 13.4
Even at idle, that is far too low unless you are at some elevated temperature (120 F).
You should always be at 14 - 14.2 volts. I noticed my oilhead GS battery voltage sits there and I at first wondered why it was a tad low. A GEL cell which is what the OE battery is labelled should be 14.2V.
NOTE: battery charge voltage is temperature as well as battery type dependent and that is critical for long life.