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Same situation here with my wife’s 2021 Model 3 and just took delivery of my R1T 3 weeks ago. She drives more than me but so far we just use the NEMA 14-50 outlet in the garage with a 50 amp breaker and the portable charger from her Tesla. I bought an adapter for the R1T and just alternately charge whichever vehicle needs more juice at the time. There are several stores in our area that offer free charging while you shop so I use those for the truck quite a bit but we are never hurting for range or anything. Depends a lot on your needs but the one charger is more than fine for us. Grizzly-e makes a “Duo” charger than has two cables to simultaneously charge two EV’s at a time if you think you really need it.
 

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Discussion Starter · #22 ·
Same situation here with my wife’s 2021 Model 3 and just took delivery of my R1T 3 weeks ago. She drives more than me but so far we just use the NEMA 14-50 outlet in the garage with a 50 amp breaker and the portable charger from her Tesla. I bought an adapter for the R1T and just alternately charge whichever vehicle needs more juice at the time. There are several stores in our area that offer free charging while you shop so I use those for the truck quite a bit but we are never hurting for range or anything. Depends a lot on your needs but the one charger is more than fine for us. Grizzly-e makes a “Duo” charger than has two cables to simultaneously charge two EV’s at a time if you think you really need it.
Same situation here with my wife’s 2021 Model 3 and just took delivery of my R1T 3 weeks ago. She drives more than me but so far we just use the NEMA 14-50 outlet in the garage with a 50 amp breaker and the portable charger from her Tesla. I bought an adapter for the R1T and just alternately charge whichever vehicle needs more juice at the time. There are several stores in our area that offer free charging while you shop so I use those for the truck quite a bit but we are never hurting for range or anything. Depends a lot on your needs but the one charger is more than fine for us. Grizzly-e makes a “Duo” charger than has two cables to simultaneously charge two EV’s at a time if you think you really need it.
'Looking at all options. Thanks, Willie.
 

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R1S Adventure (ordered 10/27/21 Est Del 4Q 23), Red Canyon. Genesis GV 60 Mauna Red (bought 9/10/22)
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I only charge my GV-60 once every 3 days or so.

I installed my EVSE with an eye to have it charge both my R1S (someday) and a Lucid Air (Friday!).

I back in and the port will be forward middle of the garage and the Spousal Unit pulls in head first, so the Lucid will be aft middle. Cable will reach both easily.

Of course the GV-60 has the worst port placement (for my situation). But the cable will still (barely) reach if it is aft and outside (i.e. not the middle).
 

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If your panel can handle it, I would recommend a two vehicle system that can share one 60 Amp breaker for 48 Amps of total charging. That gives you 48 Amps for one vehicle and 24 Amps each when you plug both in. That should cover most situations. I have had good experience with the Tesla products, but then again, I started as a Tesla user..,
 

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In terms of design, quality, and best bang for the buck you really can’t go wrong with the Tesla wall charger. I have the same situation where we have a Tesla model three and a Rivian R1 T. I was able to pick up a Tesla wall charger for 350 bucks and it outputs 11.5 kW. I purchased an adapter on Amazon that converts Tesla to J1773 and it works perfectly for both the Tesla and the Rivian, The Rivian is able to make full use of the Tesla charger power and sucks down the full 11.5 kW. It is I believe the simplest and cheapest solution and is an incredible value.
 
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Discussion Starter · #27 ·
If your panel can handle it, I would recommend a two vehicle system that can share one 60 Amp breaker for 48 Amps of total charging. That gives you 48 Amps for one vehicle and 24 Amps each when you plug both in. That should cover most situations. I have had good experience with the Tesla products, but then again, I started as a Tesla user..,
Yeah, I'm starting as a Tesla driver too, so my initial inclination was to hardwire two chargers (of course, I already have one, so I'd have to purchase that J1772 model) and let them coordinate charging of two vehicles over wifi. The downside of this is I have to wire two circuits, instead of one, and I still have to purchase a charger.
Thanks for your input!
 

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Discussion Starter · #28 ·
In terms of design, quality, and best bang for the buck you really can’t go wrong with the Tesla wall charger. I have the same situation where we have a Tesla model three and a Rivian R1 T. I was able to pick up a Tesla wall charger for 350 bucks and it outputs 11.5 kW. I purchased an adapter on Amazon that converts Tesla to J1773 and it works perfectly for both the Tesla and the Rivian, The Rivian is able to make full use of the Tesla charger power and sucks down the full 11.5 kW. It is I believe the simplest and cheapest solution and is an incredible value.
That was what I had in my head when I first decided to reserve my R1T, so maybe I'll stick with it. Using an adapter, rather than hardwiring the J1772 cable, gives me the flexibility of using that charger for the Model 3, should I need to shift my garage configuration.
Thanks for chiming in!
 

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Discussion Starter · #29 ·
I am considering this for the exact same reason. To charge 2 EVs (Tesla and R1S) parked in the home garage.

Since both vehicle is not likely needing to be charged at the same time (rarely at the same time), thought it maybe easier to have one cable for each vehicle.

How is this working out for you? Are you able to schedule overnight charging in both the Tesla and the Rivian? The Grizzl-E Duo is a "dumb" charger that supplies juice, at the appropriate shared setup, as soon as it's plugged in, so setting up scheduled charging on the vehicles themselves will be pretty important with this option.
 

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Discussion Starter · #30 ·
I also have the Grizzl-E duo. Works like a charm. I never really find myself wanting for more power that would come with 2 dedicated plugs. But you’ll have to evaluate what your needs will likely be. If this set up would work for you, then it’ll save you $$ vs buying and installing 2 separate EVSEs.
Are you able to set charging times in your vehicles? The Grizzl-E Duo is a "dumb" charger that supplies juice, at the appropriate shared setup, as soon as it's plugged in, so setting up scheduled charging on the vehicles themselves will be pretty important with this option.
 

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Are you able to set charging times in your vehicles? The Grizzl-E Duo is a "dumb" charger that supplies juice, at the appropriate shared setup, as soon as it's plugged in, so setting up scheduled charging on the vehicles themselves will be pretty important with this option.
I don’t regularly set charge times as my electricity price doesn’t change throughout the day and I have no other need to. In the rare cases I wanted to set charging for a specific time (like when going on a trip and charging to 100% right before I leave) I use the rivian’s scheduling feature to do it.
 

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Discussion Starter · #32 ·
I don’t regularly set charge times as my electricity price doesn’t change throughout the day and I have no other need to. In the rare cases I wanted to set charging for a specific time (like when going on a trip and charging to 100% right before I leave) I use the rivian’s scheduling feature to do it.
That's what I was looking for. Thanks. My Model 3 has the same functionality, so I'll be OK with the Grizzl-E Duo.
 
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