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fredrik-wk avatar image
fredrik-wk asked

BMV 600, can I set voltage offset?

I have an "old" BMV 600, it constantly reads about 0,20V lower than any other testing device I use to check the voltage on the same conectors. This gives me problems detecting "full charge".

Is there a way to set an offset to calibrate the voltage of the BMV600? Or is there any other way to calibrate the voltage?


Obviously, setting a lower level of full charge will get me to 100%, but I’d prefer an accurate voltage displayed if possible as I have Lithium batteries.


Thanks!

BMV Battery MonitorLithium Batteryvoltage
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Mark avatar image Mark ♦♦ commented ·

Is there a fuse in the BMV power cable & what current rating is the fuse?

A fuse with very small current rating can have enough resistance to cause the issue your seeing.

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Martijn Coster (Victron Energy Staff) avatar image
Martijn Coster (Victron Energy Staff) answered ·

Hi @fredrik_wk

You can just remove the fuse and replace it with a 1A slow blow type.

best regards
Martijn Coster - Victron Energy


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