Charge on board schedule vs EVSE

[Lowertc]

Picking up 2022 MME AWD Premium with 4k miles today here in CT. After reading a number of threads i will be charging most of the times daily. will charger to 85-90% especially in the colder months. My questions is , should I use the onboard(ford Pass) to set the limit and schedule time or use the Juice Box 40 App. if i go with the app would i then need to ensure the onboard is changed if i do public charging(i have one at work and will utilize 1 day a week in the office).

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[hybrid2bev]

You should set your charging schedule/limits in the car (SYNC screen). Do not set them in FordPass.

The charging schedule is location based so you'll need to charge at each location first for few minutes. Once you set a limit for both home and work that limit won't apply to other locations (will try to charge to 100% everywhere else).

If you have time of use electrical rates at home then I would set the charging times on the Juice Box app as well, just as a backup to be safe.

 

[Maquis]

In addition to the above, it’s not possible to set the % charge limit in an EVSE. It’s controlled by the car.

 

[azerik]

If you try to use the Juiceboxes time of day and its hot out or cold and you try to precondition it won't pull power from the house as the box won't allow it. Also if it gets above 100 (as the car sees it) it'll want the L2 power to run the fans to cool the battery, which also wont happen unless it's the time of day set in the Juicebox.
I have a super basic Clipper Creek. Toyed around with the idea of a "smart' ESVE and realized it's really not going to do anything more than tell me the amount of power delivered, which is shown in the FordPass app if you dig enough. I also have to juggle 2 Fords 1 Cords to keep the pair charged or cool.

 

[Lowertc]

If you try to use the Juiceboxes time of day and its hot out or cold and you try to precondition it won't pull power from the house as the box won't allow it. Also if it gets above 100 (as the car sees it) it'll want the L2 power to run the fans to cool the battery, which also wont happen unless it's the time of day set in the Juicebox.
I have a super basic Clipper Creek. Toyed around with the idea of a "smart' ESVE and realized it's really not going to do anything more than tell me the amount of power delivered, which is shown in the FordPass app if you dig enough. I also have to juggle 2 Fords 1 Cords to keep the pair charged or cool.

Thanks Can you explain wht i can not precondition if i have it plugged in but the charge level set in the MME? or an i missing somthing.

 

[azerik]

The Juicebox (and most ‘smart’ ESVE’s) has the ability to only supply power at times you define. This is mostly for Time of Use plans where your power costs less at 11p to 6am. If you set the box to only charge at that time, all preconditioning is from the car battery, not from the house. This preheating or precooling coming from the house saves battery range as the power is from the house.
When you plug in the car charges for a couple minutes and then turns off automatically. If it thinks the battery is too hot it’ll use the L2 power to cool or precondition if you choose. But that requires the L2 EVSE is suppling power at that time.
Set time of charge in the car. Then just plug In whenever and you don’t have to think about it.

 

[Maquis]

Thanks Can you explain wht i can not precondition if i have it plugged in but the charge level set in the MME? or an i missing somthing.

If you put a time schedule in the EVSE, power is only available during the schedule. So no power to precondition outside of that schedule.

 

[shutterbug]

You should set your charging schedule/limits in the car (SYNC screen). Do not set them in FordPass.

I've set charging limits using FordPass many times with no issues. If your car's modem communicates correctly, there is no difference. All FordPass does (or is supposed to do) is pass the information to the car and then the limits are set there.

The only times I had problems with FordPass is a few times when the car went into deep sleep and for 3 weeks recently when the modem in my Lightning went on strike and wouldn't communicate with anything.

 

[azerik]

I wonder if a Wi-Fi connection solves this. My FFE would go on strike often, but it’s Wi-Fi was a stupid car supplied 3g hot spot.
I currently park outside but will be inside soon. I’m hoping it doesn’t talk to Ford to figure out the time and day every time it goes to charge.

 

[shutterbug]

The Juicebox (and most ‘smart’ ESVE’s) has the ability to only supply power at times you define. This is mostly for Time of Use plans where your power costs less at 11p to 6am. If you set the box to only charge at that time, all preconditioning is from the car battery, not from the house. This preheating or precooling coming from the house saves battery range as the power is from the house.
When you plug in the car charges for a couple minutes and then turns off automatically. If it thinks the battery is too hot it’ll use the L2 power to cool or precondition if you choose. But that requires the L2 EVSE is suppling power at that time.
Set time of charge in the car. Then just plug In whenever and you don’t have to think about it.

If you are setting the time limits to take advantage of TOU plans, the are advantages to setting them in the EVSE.

• Unlike the car, EVSE doesn't suddenly decide that it's located at a non-existent address and ignores all limits. Over 2 years, it happened to me 5-6 times, but it does happen.
• There have been a couple of OTA updates that wiped out all the limits in the car. AFAIK, no EVSE has done that.

 

[shutterbug]

I wonder if a Wi-Fi connection solves this. My FFE would go on strike often, but it’s Wi-Fi was a stupid car supplied 3g hot spot.
I currently park outside but will be inside soon. I’m hoping it doesn’t talk to Ford to figure out the time and day every time it goes to charge.

Once the limits are set in the car, they keep working until something wipes them out. The only thing it checks every time is GPS location to identify a saved charging location. That's pretty reliable, but a bit less than 100%.

 

[RickMachE]

I wonder if a Wi-Fi connection solves this. My FFE would go on strike often, but it’s Wi-Fi was a stupid car supplied 3g hot spot.
I currently park outside but will be inside soon. I’m hoping it doesn’t talk to Ford to figure out the time and day every time it goes to charge.

No, WiFi has no impact.

If you are setting the time limits to take advantage of TOU plans, the are advantages to setting them in the EVSE.

• Unlike the car, EVSE doesn't suddenly decide that it's located at a non-existent address and ignores all limits. Over 2 years, it happened to me 5-6 times, but it does happen.
• There have been a couple of OTA updates that wiped out all the limits in the car. AFAIK, no EVSE has done that.

I have my TOU set in both. That way, IF I CHOOSE to precondition during peak hours, I simply override the EVSE.

Same if I remote start.

Lastly, if the car thinks it cannot hit the set percentage, it will ignore time settings and start early, even during peak hours. Again, I want to consciously control this.

 

[azerik]

Lastly, if the car thinks it cannot hit the set percentage, it will ignore time settings and start early, even during peak hours. Again, I want to consciously control this.

This I was not aware of, and not pleased about. Is the set % thing only for departure times? My MME is stuck on 32amps until I get around to replacing my ESVE. Currently I was only plugging in on the weekends where it's off peak anyway. But at somepoint it's going to become common that I'm plugged in almost all the time. (110+ degree days, though BOTH cars are going to want the L2)

 

[RickMachE]

Has nothing to do with departure times.

Set hours to charge to 4 hours. Come home with 20%, limit set to 90%. Plug in a few hours before the set start time. Car will immediately start charging.

Or, just use 120v and it will start right away also.

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