Rivian preparing in-house V2H charger

[socaladam]

Did anyone actually buy a Rivian because of V2H?

I guess maybe some people that were on the edge or debating with an ICE vehicle maybe then leaned to Rivian. I just can't imagine a feature that is not yet available would be a huge draw for people to buy an $80k+ vehicle. Certainly would help with deposits or such, maybe help with an IPO.

Personally I've been happy with all my interactions at Rivian. I mean they make tons of mistakes, as a stockholder I was pretty concerned they delivered me my vehicle without me or the lender paying for it yet. But I don't think there is any nefarious intentions by anyone. Been way better than any other car company I've worked with.

I was really hoping for tank turns and we never ended up getting that either.

I just think all these ideas are 100x easier to consider doing and research doing but MUCH more difficult to get across the finish line out to production.

V2H support definitely impacted my decision for a Rivian.

Tank turn, not as much. I wanted functionality over whiz-bangs and useless tech.

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[RomanN]

I would settle for a charger with 5 GHz Wi-Fi

 

[LivingInKaos]

Does the Rivian have the hardware to run the vehicles AC charger backwards to get 240v out of the J1772 port?

No

 

[docwhiz]

I would settle for a charger with 5 GHz Wi-Fi

Just about every low data requirement WiFi device uses 2.4 GHz. It has greater range and is more commonly available than 5 GHz. I haven't come across a WiFi access point that doesn't have 2.4 GHz available.

 

[LivingInKaos]

If it can't do that then is the solution supposed to involve exporting 400volt DC and have an external inverter? I'd imagine that will be a very elaborate expensive system if it needs to be rated for over 400v.

This is what the V2H charger entails. It will have the communications necessary to operate the 400V contactors. The charger will also have the inverter to convert the 400V to AC voltage. Some of us have played with taking the 400V input into the accessory power inverter and running it thru a hybrid solar inverter. Works just fine - just have to keep in mind not to pull too much because the fuse for that line is inside the battery pack.

 

[MacO512]

No

So then V2H has to use 400v DC out and an external inverter.

That sounds like it will be crazy expensive no matter what.

 

[MacO512]

This is what the V2H charger entails. It will have the communications necessary to operate the 400V contactors. The charger will also have the inverter to convert the 400V to AC voltage. Some of us have played with taking the 400V input into the accessory power inverter and running it thru a hybrid solar inverter. Works just fine - just have to keep in mind not to pull too much because the fuse for that line is inside the battery pack.

Thanks - yeah that makes sense

I wonder what V2H watts would be - I'd imagine at least 7200 watts but maybe up to 12kw.

So at 400v DC thats only 18 amps (7200w) or 30 amps (12kw). So not sure how expensive the cables would have to be. Thats less amps than the travel charger but 400v.

I'm not interested in some elaborate $7k-10k V2H charger. But if there was something closer to 1-2k that could just export to 240v 30a AC I'd seriously look at it. I don't think they really need more than 240v/30a as at 7200w a 100% charged vehicle is drained to 0% in 18 hours.

 

[LivingInKaos]

So then V2H has to use 400v DC out and an external inverter.

That sounds like it will be crazy expensive no matter what.

I suspect a Rivian branded model will likely be in the $5k-$6k range if not more. The Wallbox Quasar 2 is showing up for $6400 on Kia's site.

 

[MacO512]

I suspect a Rivian branded model will likely be in the $5k-$6k range if not more. The Wallbox Quasar 2 is showing up for $6400 on Kia's site.

I think the issue too is will this be CCS or NACS?

What about compatibility with the R2 and R1gen3?

Kind of sucks to put down so much cash for something that might be irrelevant in 18 months.

 

[MacO512]

So what about using a Ecoflow Delta Pro3 power station? It charges at 1500 watts 24/7 from the Rivian (36kwH per day) and exports 240v 4000 watts to a generator interlock kit on the house electrical panel?

$2k Delta pro
$100 interlock kit

Then also can use the Delta pro for other uses if needed.

As I type this out think that just makes way more sense than having any of these V2H systems.

 

[LivingInKaos]

So what about using a Ecoflow Delta Pro3 power station? It charges at 1500 watts 24/7 from the Rivian (36kwH per day) and exports 240v 4000 watts to a generator interlock kit on the house electrical panel?

$2k Delta pro
$100 interlock kit

Then also can use the Delta pro for other uses if needed.

As I type this out think that just makes way more sense than having any of these V2H systems.

Exactly. While it is nice to have that big battery sitting in your driveway, the better way is to have a battery system in the house that you can charge at 1440W from the Rivian full time. (it's not possible to get 1500w from the Rivian- I do this daily in the winter to charge my off-grid system. When you get to 15A, the voltage drops). The house system then can be sized to provide what power output you need rather than some predetermined amount from a bidi charger. Plus, you can leave the house and still have power.....

 

[Redmond Chad]

So what about using a Ecoflow Delta Pro3 power station? It charges at 1500 watts 24/7 from the Rivian (36kwH per day) and exports 240v 4000 watts to a generator interlock kit on the house electrical panel?

I have an Ecoflow Delta Pro 2 system - for the reasons you mention.

BUT: there is one very large caveat; something you won't learn from browsing Ecoflow's site. (I learned it from someone else on these forums, and from experience). You can indeed charge at 1440W from the Rivian, and (with my setup) you can indeed export 240V 30A to run my house. But you can't charge at 120VAC and export 240VAC at the same time! (This might be different with their new Ultra models. Maybe)

I've got just over 20kWh of Ecoflow energy (2 main units, 4 backup batteries), which will generally last about 3 days if there's a power outage. If the outage is longer than that, I generally power the house during the day, then turn everything off at night. One Ecoflow system get recharged from the Rivian overnight, while the other keeps the refrigerator going. The next night I swap 'em. It's not nearly as convenient as I had hoped, but at least I'm glad they are on wheels...

 

[MacO512]

I have an Ecoflow Delta Pro 2 system - for the reasons you mention.

BUT: there is one very large caveat; something you won't learn from browsing Ecoflow's site. (I learned it from someone else on these forums, and from experience). You can indeed charge at 1440W from the Rivian, and (with my setup) you can indeed export 240V 30A to run my house. But you can't charge at 120VAC and export 240VAC at the same time! (This might be different with their new Ultra models. Maybe)

I've got just over 20kWh of Ecoflow energy (2 main units, 4 backup batteries), which will generally last about 3 days if there's a power outage. If the outage is longer than that, I generally power the house during the day, then turn everything off at night. One Ecoflow system get recharged from the Rivian overnight, while the other keeps the refrigerator going. The next night I swap 'em. It's not nearly as convenient as I had hoped, but at least I'm glad they are on wheels...

I have a bluetti 200L that can charge any limit from 0-2400 AC in while simultaneously exporting 0-2400watts. Tested with the Rivian works great. It's not 240v though. But really sucks the delta pro can't do that.

Do you have delta pro 3 with the 240amp plug? I had read the original delta pro with the TT-30 plug had that restriction of no ac in while inverting but I just assumed the delta pro 3 did not.

I like that the delta pro 3 exports 240v in one unit. Not seeing many units that do this.

Maybe Id just get a delta pro ultra. It gives a full 7200 watts so can more easily run the whole house.

Bluetti had a system with two AC500 that can do 240v but you need 4 batteries for full power and their massive cables so that gets to be a huge cluttered mess to hook up. The AC500 have a nema 14-50 plug but it won't run 240v unless you have two units.

I like the Delta pro3 is one slick unit or if more power needed the delta pro ultra has slick flat cables and stacks.

 

[MacO512]

Exactly. While it is nice to have that big battery sitting in your driveway, the better way is to have a battery system in the house that you can charge at 1440W from the Rivian full time. (it's not possible to get 1500w from the Rivian- I do this daily in the winter to charge my off-grid system. When you get to 15A, the voltage drops). The house system then can be sized to provide what power output you need rather than some predetermined amount from a bidi charger. Plus, you can leave the house and still have power.....

Yeah it seems way more useful to invest in a portable battery backup system that has dozens of other uses than invest in a currently non-existent proprietary V2H charger that might be a useless brick once Rivian changes to the next gen of vehicles. Even if this thing gets released who knows how many bugs/issues/recalls it will have.

 

[Redmond Chad]

I don't have a Delta Pro 3 or Ultra; just the regular Delta Pro where you need two main units and a connector to output 240V. (The Ultra was announced 2 days after I placed my order; I think I would have preferred that)

Note that with my setup, you CAN input and output 120V simultaneously. You just can't take AC input while doing 240V output.

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