Charge Point or Juice Box Home Charger? - Page 3 - Jaguar I-Pace EV400 Forum
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post #21 of 74 (permalink) Old 01-08-2019, 11:17 AM
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I purchased the Mustart off of Amazon which is basic. Charges at the 21 to 22 miles per 60 minutes, but all controls have to be done via InControl as Mustart didn't have a Wifi and app option.
I haven't seen the JuiceBox App, but the ChargePoint allows you to set charge time, monitor usage over time, etc. It's a good looking App. I may switch charging stations later, just to get the electrical consumption details.

What do you mean about levels? Are you trying to set a %Charge for your battery? I'm not sure if any of the chargers can do that, even though they project time remaining.
JuiceBox has posted on Amazon that they cannot set the charge to stop at a specific % of charge for the battery. Here's their quote " No, it cannot read data directly from the car. Our Pro-wifi unit will give you alerts to your cell phone when the charge session is complete. You can set the charger to the car's current charge percentage, then as you check on the charge this will tell you how much you have remaining to charge. I do not belive there is a charger out there that has this capability to speak directly with the cars system"

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post #22 of 74 (permalink) Old 01-08-2019, 11:24 AM Thread Starter
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Sounds good. Thanks!

How are you all making sure you don't charge to 100% every night then?
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post #23 of 74 (permalink) Old 01-08-2019, 11:34 AM
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Originally Posted by sgtpeper View Post
Sounds good. Thanks!

How are you all making sure you don't charge to 100% every night then?
I don't worry too much about the 100% state of charge with the current battery management systems and chemistry.
For the most part I'm at 75% during the week, and I plug it in when I get home, and unplug it when I go to bed or after 2 hours, so it replenishes what I used that day in a couple of hours and doesn't reach 100%. On Friday night, I take it to 100% because I've been driving longer trips of about 150 miles + round trip. The car isn't stored for a long period of time at 100%, nor is the charge a fast charge, so the battery damage in my mind is minimal. Unfortunately, this is not a Set It and Forget It option, so I have to be more active.

If InControl worked properly and shut down the charging, then I would just set a two or three hour charging schedule to add 40 to 60 miles onto the car. However, InControl is a bit spotty. You can do the same with JuiceBox or ChargePoint. Set the number of hours based upon your current state of charge and the estimated number of hours to fully charge from that point.

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post #24 of 74 (permalink) Old 01-08-2019, 01:43 PM
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Originally Posted by sgtpeper View Post
Sounds good. Thanks!

How are you all making sure you don't charge to 100% every night then?
WattAJag had made this very helpful post which should give you an idea of approximate time needed to reach a SoC based on your current SoC. I am copying his table here for easy reference. I believe this is based on 6.6 kW charging while the I-Pace on-board charger is 7 kW so your charging time will be slightly less to achieve the same SoC.
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post #25 of 74 (permalink) Old 01-08-2019, 02:08 PM
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I do not have my car yet so cannot confirm if this works, but according to this video (at the 2:05 mark) you can actually set the charging to stop at a desired SoC on the JuiceBox. Maybe some kind folks who already have their car and have a JuiceBox can try this out and confirm?
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post #26 of 74 (permalink) Old 01-08-2019, 02:24 PM
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I do not have my car yet so cannot confirm if this works, but according to this video (at the 2:05 mark) you can actually set the charging to stop at a desired SoC on the JuiceBox. Maybe some kind folks who already have their car and have a JuiceBox can try this out and confirm?
I am assuming this is an approximation based on the "current" SoC that we enter in the app and the charge rate and not the "actual" SoC of the vehicle once the charging stops, but still better than nothing I guess.
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post #27 of 74 (permalink) Old 01-08-2019, 03:14 PM
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Originally Posted by sgtpeper View Post
Sounds good. Thanks!

How are you all making sure you don't charge to 100% every night then?
I trust JLRs battery management software to do battery management. I plug the car in most days and don’t worry about it. We all know there is not 90kWh of usable battery, JLR giving a 84.7 kWh available and others stating in real life it is closer to 82kWh of real available, so exactly what is 100% anyway? Can anyone show me that when the car says it is 100% that equals 90???
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post #29 of 74 (permalink) Old 01-08-2019, 05:08 PM
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Went with the JLR recommended home ChargePoint
32 amp with plug. The app showed it charging at 7.4 kW
when plugged in. I can stop it with the app if I want to.
Any one know how to find any of the following?

1. battery state of charge kW.
2 battery temperature.


And I was under the impression that the ChargePoint unit could be detached from
the wall for portable use, but it is a permanent install.
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post #30 of 74 (permalink) Old 01-08-2019, 08:59 PM
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I have a ChargePoint Home 25, and like you, I have the plug in version. While it is not 'portable' like a cell phone, there are just 3 'slot screw's that hold the box onto the wall, so it can be unplugged, slid upwards (may need to loosen those 3 screws), and removed in seconds.
Like others on this forum have discussed, I use the known 20mi/hour charge rate of the ChargePoint unit to set a 'stop time' in ChargePoint app when I wish to avoid achieving 100% SOC. If I'm at 100 mi range, I may set the stop time 4 hours out to add 80 miles and stop there.
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