MP2 48/5000/70-50 only charging at 64-66 amps, not 70: normal?

Q&A and troubleshooting
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1

Hi, I am running ESS with a Cerbo on a MP2 48/5000/70-50.

For some reason I am not reaching “full” advertised charger amps: usually 64-66. Never seen 67 or higher. Is this works-as-designed or am I missing something? Inverter is in a cool concrete basement running at 15 Celcius.

WeakAC is not on.

2

What is your Grid Current limit?

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3

This is normal. I’ve never encountered actual 70-amp values in practice — this is likely a theoretical figure from test conditions.

4

Grid current limit set to 32A