Which wallbox or charging station for Victron system and new EV?

Q&A and troubleshooting EVCS
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1

Hi,

I’m planning EV charging integration into my existing Victron ESS setup and would appreciate advice from people with experience.

Current system:

  • 3× MultiPlus 12/3000/120-16 in 3-phase configuration

  • Venus GX / Cerbo GX

  • Fronius Symo 12.5-3-M

  • ~8 kW PV

  • ~30 kWh Li battery storage

  • Diesel generator for backup

  • DESS enabled

I recently bought a Skoda Enyaq (2026 model). I understand V2H/V2G support within the VW ecosystem is still evolving, but I want to future-proof the installation as much as possible.

My goals:

  • Tight integration with Victron ESS/DESS

  • Smart charging based on solar surplus and pricing

  • Avoid charging from generator operation

  • Preferably avoid using house battery storage for EV charging unless explicitly configured

  • Future preparation for bidirectional charging (V2H/V2G)

At the moment I’m leaning toward installing a Victron EV Charging Station NS connected on the AC-input side of the MultiPlus system and later replacing it with a bidirectional charger if/when V2G matures.

Questions:

  1. Does this architecture make sense from a Victron perspective?

  2. Are there any non-Victron chargers that integrate particularly well with ESS/DESS today?

  3. Any known roadmap or direction for future Victron support around bidirectional charging/V2H/V2G?

  4. Has anyone already integrated external V2G chargers successfully with MultiPlus systems?

Any experience or recommendations appreciated.

2

Take a look at evcc.io

I use it with 3x MP-II, Fronius Symo, go-e charger and VW ID.3.

Very happy with it!

3

I would also recommend a Victron evcs, best match for the eco system.

V2H is currently a bit of a dead horse in my opinion. Car manufacturers are strictly limiting the amount you can take from the battery. (Volkswagen at 10.000 kWh per lifetime)

Understandable, they don’t want 4-5 year old cars around with batteries exhausted due to heavy V2H usage. Bad reputation.

When doing the maths with current prices of required V2H-Wallboxes, you quickly can conclude that this would result in way to high costs/kWh for these 10.000 kWh.

Extending your homestorage is way cheaper and 10.000 kWh throughput there is a 3kWh module doing 3300 cycles. Only a fraction of what a V2H-capable Wallbox costs these days.

4

Can Victron EVCS now automatically switch phases (1-, 2-, or 3-phase charging)? That certainly wasn’t the case in the past, and it would be a total deal-breaker for me if it were.

5

On the second generation that will be released soon, yes.
On the current generation, it is possible if you change the contactor and replace it with two contactors. I explained how to do it somewhere here on the community; I’ll have to search for it if you want.

6

Yes I know this. This was the main reason why I didn’t buy one.

But it’s fine, if the next generation will be able to do it without any modifications!

7

Yes, coming!

8

Thank you all for your feedback! It sure looks like Victron NS will be the one I will go for, unless the new one will be released very soon, can perhaps @Lucian enlight us when it is coming, is it weeks, months or years to come? :slight_smile:
Also, how to set it up to work well with DESS? Can it be done or is it better to schedule it by a external application? I would like to have it as much as plug and charge as possible, but with preference depending on electrecity price and solar production. I am in Sweden where price differ a lot during the day and also from day to day!