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outwestbound's avatar
outwestbound
Explorer
Sep 03, 2017

question on interpreting MPPT controller display

Hi. This is intended to be general. If an answer can't be made without knowing the exact unit, then please let me know. My question may be poorly phrased. Does the amount of amps shown on the cont...
pianotuna's avatar
pianotuna
Nomad III
Sep 06, 2017
outboundwest,

The Magnum running flat out at 125 amps of charging only draws 15 amps. I think that was pretty clever of them--because it means you can charge at full bore on a 15 amp shore power supply.

In real life, I limit mine to 12 amps, because I don't believe in drawing more than 80% for long periods of time. This also limits my charging amps to the maximum my bank can safely accept.

On your bank, fully charged would be when the rate reaches between 8 and 9 amps.

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