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Connext show battery at 11.9v but battery test shows 12.58v

Kaschool

Kaschool

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2020 AR210 - problem as above in title. Anyone else seeing this or got any ideas? Seems to be a pretty big descrepency. I used a multimeter to check the battery.
 
marcham

marcham

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I get readings about 0.4V lower than actual on my boat.... really not a big deal. Most likely due to voltage drop along small gauge wires since the voltage is not measured at the battery.
 
Kaschool

Kaschool

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OK thanks for the quick response... maybe not a huge deal but a bit annoying - especially since I'm not sure if I can trust that it will always be relative. so I'm just going to assume mine reads 0.6-0.7v under actual.
 
C

Compatico

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Kaschool said:
OK thanks for the quick response... maybe not a huge deal but a bit annoying - especially since I'm not sure if I can trust that it will always be relative. so I'm just going to assume mine reads 0.6-0.7v under actual.
Click to expand...
Yup, as long as the readings are relative, it's not an issue. Check and confirm readings when the engine is running (probably will be the same here), off, and after using battery power for a while like listening to tunes. If they remain about the same voltages off, you know it's just a relative reading.
 
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