question

garry-ooo avatar image
garry-ooo asked

why does my regulator register my battery at 13.8 volts but when i put a multimeter to the battery poles is says only 12 volts

all wires are secure as just fitted unit

MPPT Controllers
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Matthias Lange - DE avatar image Matthias Lange - DE ♦ commented ·

What "regulator" do you mean?

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2 Answers
seb71 avatar image
seb71 answered ·

Measure the voltage (with the multimeter) at the solar charger connectors.

How thick and how long are the wires between the battery and the solar charger?

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klim8skeptic avatar image
klim8skeptic answered ·

You probably have blown the fuse/circuit breaker between the Mppt and the batteries..

..it happens...

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