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There was another thread on this a while ago. My setup is documented in there.

Finally ran into a case where I needed to use the AC to DC converter. I now have two DPUs connected to a 50A hub which means I can’t use a generator while outputting. here is the setup with the DC power supply connected to the generator. I’d be the same connected to the Rivian.

I left it alone.

I got the Nokians a couple months ago on my R1S with 22” wheels. I’ve seen a slight improvement in efficiency and everything else seems about the same to me. Great value compared to the Pirellis and they have a 70k mile tread warranty vs the 21k I got out of the factory tires.

Power Supply: Capacity.Li High Power Battery... https://www.amazon.com/dp/B0D3DSSYS1?ref=ppx_pop_mob_ap_share Power Cable: StarTech.com 3ft (1m) Heavy Duty... https://www.amazon.com/dp/B00AC8M6DY?ref=ppx_pop_mob_ap_share Extension Cord: POWGRN 25 Ft 10/3 Outdoor...

To get 240V output you have to be in fast charge mode where you can’t limit the charge rate. I tried testing it and the power plug turned off. That’s why I went down the AC to DC power supply route as I need 240V to run everything in the house when the power is out. edit: to fix accidental paste.

I have one final change to my setup. The XT90 cable I ordered didn’t have the right polarity MC4 connectors so instead I got an XT90 pigtail 10AWG cable and a MC4 connector kit to make my own cable that matched up with the Low PV cable on the EcoFlow. After all of this the power will likely...

In an extended outage I’d likely leave it connected until I used my generator to quickly fill up the EcoFlow. My main use case here is being able to go 12-14 hours without having to run the generator and with my 12 kWh EcoFlow + the Rivian that should work out.

there was no soldering in my setup. here is everything I bought. MC4 Cable I cut this in half and wired it so red and black lined up with the polarity of the power supply. Ring connectors to attach cable to the power supply. I crimped these connectors onto the cut in half cable. Im going to...

One problem I discovered after the fact is that the power cable included with the power supply is only rated for 10A. I ended up going with one rated for 15A.

I ran the setup from my last post for two hours this evening without issue.

I got my new AC to DC power supply today and so far so good. I had some issues with the voltage bouncing around at 100V 10A but once I changed to 90V 15A it’s been supplying just over 1300W consistently. I ran it for 15 minutes today without issue. I’ll run a longer term test to ensure it...

Two days later no update so i contacted support again and got a different answer. This time they said my vehicle just hadn’t been offered yet and that the WiFi configuration didn’t matter. it seems like the first agent had no idea what they were talking about.

For what it’s worth my R1S works on 5GHz as Spotify runs without issue. The support agent said it’s a policy choice to not send the update via 5 GHz.

What I saw is sometimes it connected to 2.4GHz and sometimes 5GHz depending on which base station it connected to. I have an Orbi with 4 satellites so how it connects seems to vary. I now I have a separate network with separate SSIDs for each frequency. So far nothing has happened maybe it’ll...

My Gen 1 R1S is still on 2024.43.01 so I did a chat with support and after reviewing their data they said the update wasn’t being offered because I was connected to 5GHz WiFi. Has anyone heard of this? It doesn’t make sense to me. I setup a WiFi extender with a 2.4GHz network to see if the...

Not that I’ve seen. The confusing part is my Kill-A-Watt showed the power supply pulling 1200W before it shut off. Maybe there is some sort of start up power spike and the Rivian trips. I ordered another PSU with fully adjustable voltage and current. It’ll be here next week and I’ll do more...

the problem with using fast charge mode on the Ultra is it draws 1800W which is beyond the limit of the the onboard inverter. My overall goal is to be able to use the Rivian as an extended battery for the EcoFlow so I don’t need to run the generator as often or ever and it’s significantly...

One last comment. I originally bought this power supply and that ran without issue but I only tested it up to 300W. Maybe there is something weird with this one. I may try another PSU to see if I get similar behavior.

Taking the SMPS out of the way, if I connect directly to the car via AC the EcoFlow charges fine. I put it at 1300W to copy the power supply. if I leave the DC output disconnected it also runs without issue. It’s once there is a sustained load that it turns off.