How to share home charger between Mach-E and Model Y?

[shutterbug]

The ChargePoint Home Flex is a premium model with long cable and excellent connector. Does well when exposed to the environment. Cons are that is doesn't circuit share and the power output isn't easily adjustable. CP is working on those things but currently they do not support those two features.

Why do you feel that the power output isn't easily adjustable? You just need to unplug it from the car and use the app to change power. Takes less than a minute. One disadvantage you didn't mention is that you can't have 2 CP chargers with a single account, even if you aren't sharing circuits.

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[dtbaker61]

if they want to charge both vehicles in the same day they would need a bit more no? Or to keep the mobile in the car to not be futzing with plugging in and out?

i, personally got the ChargePoint for A. Faster charging and B. To keep the mobile charger in the car.

I don't think they need anything more than a NEMA 14-50 outlet, and an j1722/tesla adapter so the MME mobile charger could charge the Tesla.

I leave the Mustang mobile plugged in at my garage, and use it to charge 2 cars for daily commutes no problem, plenty fast enough. My wife's PHEV charges in about an hour at the mobile charger's measly 32 amps, and I usually charge mine overnight only once a week or so, unless I know I have a long days coming up.

If I travel, I MIGHT take it with me, but probably not since I'd be using road-side charge stations. The only time I'd take it with me is if I were going to stay overnight somewhere that might not have a charge station.

 

[generaltso]

Why do you feel that the power output isn't easily adjustable? You just need to unplug it from the car and use the app to change power. Takes less than a minute.

It‘s not super difficult, but some are even easier. For example, the Wallbox app has a slider on the main screen that you can slide up or down to adjust the amperage on the fly while charging. That being said, I still like the ChargePoint app better.

 

[SnBGC]

The mobile charger included w car works fine. why buy another? just add a NEMA 14-50 outlet

The mobile EVSE isn't 100% duty cycle. Can work fine for one vehicle. Not ideal for two vehicles.

 

[Luke]

I agree with the 14-50 outlet with a 50A circuit. Test using the mobile charger that comes with the MME for both (Tesla has an adapter for it). If you see that you need/want to charge faster you can invest in a bigger EVSE.

 

[SnBGC]

Why do you feel that the power output isn't easily adjustable? You just need to unplug it from the car and use the app to change power. Takes less than a minute. One disadvantage you didn't mention is that you can't have 2 CP chargers with a single account, even if you aren't sharing circuits.

You kinda answered your own question. Going through all those steps isn't convenient. The Wallbox app allows you to change power output with a dial on the home screen of their app.

 

[RSH]

I dont think we will need to charge both at the same time. If the Tesla has the adapter I will use the Mach E charger.

Totally agree with @dtbaker61. We have two EV's and share one 220/240 outlet. We both keep our mobile chargers in the garage and have never needed it on the road. I do keep a converter in the MME so I can use Tesla destination chargers. Also, there has been mention of a J1772 coming with Tesla. One came with my 2019 Tesla, but from what I understand the adapter no longer is included with the car.

 

[shutterbug]

You kinda answered your own question. Going through all those steps isn't convenient. The Wallbox app allows you to change power output with a dial on the home screen of their app.

Ok, I get it. Although it seems to me that putting that on home screen is overkill in the other direction. How often would you change the power setting?

 

[bp99]

Totally agree with @dtbaker61. Also, there has been mention of a J1772 coming with Tesla. One came with my 2019 Tesla, but from what I understand the adapter no longer is included with the car.

Picked up my wife's new Model Y a few days ago. The J1772 adapter came in the bag with the mobile charger. Very simple to use with our ChargePoint. What Tesla didn't include was anything other than a standard 5-15 120 plug.

 

[SnBGC]

Ok, I get it. Although it seems to me that putting that on home screen is overkill in the other direction. How often would you change the power setting?

Not very often during this time of year. Almost never actually.

When summer comes again then I might adjust it quite often. In that scenario I might want the car to charge during super off peak hours which is 6 hour window. At 32A, that works out to about 120 miles of range but I might have driven 150 miles that day. In that situation then I might want to turn up the speed so 6 hrs is enough to recharge the vehicle for the next day.

There also are some days where I need to leave home at 100% but only charged to 90% the evening before. If I have about an hour notice before I leave then I can turn up the EVSE so the car will be ready in time for my departure. That has happened to me 3 times so far already.

 

[shutterbug]

Not very often during this time of year. Almost never actually.

When summer comes again then I might adjust it quite often. In that scenario I might want the car to charge during super off peak hours which is 6 hour window. At 32A, that works out to about 120 miles of range but I might have driven 150 miles that day. In that situation then I might want to turn up the speed so 6 hrs is enough to recharge the vehicle for the next day.

There also are some days where I need to leave home at 100% but only charged to 90% the evening before. If I have about an hour notice before I leave then I can turn up the EVSE so the car will be ready in time for my departure. That has happened to me 3 times so far already.

I guess every person's situation is different. Me, I haven't charged at home since Labor Day.

 

[SnBGC]

I guess every person's situation is different. Me, I haven't charged at home since Labor Day.

Very true. In the whole scope of things......I am amazed Ford was able to make an EV that appealed to so many different personalities.

I was talking EVs to a fellow I met a few nights ago and he has a Model 3. His one major complaint......the car has no soul or personality. He thought the Mach-E was a very refreshing choice in the market and hopes to see more BEVs with their own individuality come to market soon.

 

[hedgehog99]

I have two questions:
1. Can the 220V connector from Ford be used SAFELY with the mobile charger that comes with Tesla to charge my Y?
2. If I put the J1772 adapter that came with Tesla on my Ford mobile charger to charge Y, will the charging be SLOWER? Nevermind, the answer to #2 is yes: max out at 19kW.
I'm sure I can experiment and find out, but why not crowdsource the knowledge. Thanks.

 

[HuntingPudel]

I have two questions:
1. Can the 220V connector from Ford be used SAFELY with the mobile charger that comes with Tesla to charge my Y?
2. If I put the J1772 adapter that came with Tesla on my Ford mobile charger to charge Y, will the charging be SLOWER?
I'm sure I can experiment and find out, but why not crowdsource the knowledge. Thanks.

I am not sure what you mean by “220V connector from Ford” in your first sentence. If you are talking about the AC pigtail that plugs into the wall and the other end plugs into the Ford Mobile Charger (FMC), no it will not work With the Tesla EVSE. ??

Both the Brand T mobile charger and the FMC are units capable of 32A, so as long as they are plugged into a 40A circuit they will supply pretty much the same rate of charge, regardless of whether you are using an adapter. ?‍?

Neither of them is really all that robust. The FMC is known to have thermal issues and really should only be used occasionally. The Brand T unit can be de-rated using one of the various optional pigtails, so if you ise it at 24A on a 30A circuit, it will last a lot longer than the FMC. Personally, I would (and did) opt for a physically larger wall-mounted EVSE. ??

 

[hedgehog99]

You are right. I haven't taken apart my T charger in 2 years until now, the 220V connectors from T and F have completely different ends.

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