I can read the maximum from the Victron docs, but what is the minimum number of 51,2 Victron NG batteries for a 3-phase Multiplus II 5000/48 setup? Loads will typically be around half of the capacity of each Multiplus, but headroom up to near 4000W per phase would be nice to know also. Specs say 1…

Depends on what you define as the goalpost for minimal. If its rated output power, then: The combined rated output power of 3x MP2 48/5000 is 12kW, since they are rated 5kVA/4kW, so your proposed “up to 5kW” is already overload The rated discharge current of the 51.2V NG batteries is 100A, this me…

Thanks, I appreciate your reply! Yes, that would work for us in terms of our typical loads. I am realistic and have spent a lot of time with even smaller systems off-grid to keep an eye on SOC, current loads and future expected PV. So can I assume that the 3x 51,2 NG batteries will also simply a…

Did you bought the devices already? For stationary application maybe consider other batteries like NKON.nl ESS Pro 16kWh at 1,600 EUR.

[image] BjoernK: NKON.nl ESS Pro No, not bought the system yet. Everything pretty much decided except batteries and accompanying BMS. Want reliability and safety from batteries in these strange times and Victron integration with batteries looks very robust to me. Have had some bad experienc…

Very nice setup at that link. Kudos! It does not mention any NKON ESS Pro batteries as far as I can tell? Have you used or tested any with 3x MP by any chance?

Correct, I have GobelPower GP-SR1 with PACE 2000 BMS. NKOn is cheaper, same/better quality depending on selected components and has a fire extinguishing system build in.

Thanks again. Unable to find any real world users of NKON ESS Pro with Victron here so far. Maybe early days..

If your looking for alternatives in general then theres Battery Compatibility [Victron Energy] Personally using Victron LFPs for 12V/24V in vehicles and Pylontech for 48V house systems

A good source about Chinees BMSes is Andis Offgrid Garage in YouTube. The major Victron compatible BMSes are JK, Seplos, PACE and put into most batteries. There many users using those BMSes. I am happy with my PACE 200, know the limits and how to circumvent. NKON has Seplos BMS, JK active balance…

Minimum number of 51,2 Victron NG batteries for a 3-phase Multiplus II 5000/48 setup?

Q&A and troubleshooting

BjoernK (Björn Kellermann) January 22, 2026, 3:02pm 6

@houser

Yes, 3x MP2 5k
See Germany / 3p MP2 5k / 8.5 kWp / 56kWh / Hoymiles

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Minimum number of 51,2 Victron NG batteries for a 3-phase Multiplus II 5000/48 setup?

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