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Pre conditioning for other charging networks....

Neilda

Member
Dec 18, 2020
89
26
UK
Moderator comment - thread renamed for clarity from "Using other charging networks...."

Just curious - as I haven't seen an answer out there in web land.

I have set up a couple of charging accounts/apps on a 'just-in-case' basis. Let's say I wanted to use a BP charger - how do you warm up/precondition the battery in those circumstances? As far as I can see, my TM3 can only navigate to Tesla chargers and only preconditions the battery if you've navigated to one.

Probably a dumb question - if so, apologies. I'm new to it. I did try to search for the answer.
 
Last edited by a moderator:

Blokie

2021 M3LR
Nov 7, 2020
214
111
UK
..or if you know where you're going, then "pretend" to navigate to the closest SC on the route and hopefully it's close enough to precondition. I suspect it's only really going to be a benefit with the ultra fast chargers - if you're going to a 50Kw charger I suspect it won't really need any preconditioning, but 100+ would definitely see a benefit.
 

15Peter20

Member
Supporting Member
Oct 26, 2020
743
5,330
Norfolk
Just curious - as I haven't seen an answer out there in web land.

I have set up a couple of charging accounts/apps on a 'just-in-case' basis. Let's say I wanted to use a BP charger - how do you warm up/precondition the battery in those circumstances? As far as I can see, my TM3 can only navigate to Tesla chargers and only preconditions the battery if you've navigated to one.

Probably a dumb question - if so, apologies. I'm new to it. I did try to search for the answer.

You can tell it to navigate to the nearest Supercharger and, if you’re within about 30 minutes of it the car should start to condition the battery.

You’ll then need to use your phone to navigate to where you actually want to go of course...
 
Do you need to do preconditioning for your charge at home as well?

Preconditioning reduces the time you have to sit at the charger, if you don’t precondition then the first few minutes of charging is used for warming the battery too. Preconditioning shifts that heating time to while you’re driving rather than while you’re stationary.


Generally you’re not in such a rush when charging at home.

Preconditioning uses ~13kW on a dual-motor tesla so should be weighed against ~7kW home charger. If you trick it into preconditioning at home you’ll use energy faster than you could add it back again anyway.

If the battery is very cold, the BMS will use some of the home 7kW to warm the battery enough so it can then accept 7kW.
 
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Drew57

Active ember
Apr 4, 2020
1,409
1,700
Chester UK
If the battery is very cold, the BMS will use some of the home 7kW to warm the battery enough so it can then accept 7kW.
Yes I've noticed that this week - the app shows greater battery loss overnight than actual. Part of the display is blue & for the first 10-15 minutes on 7kWh the charge is entirely warming the battery with nothing added to % or range.
 

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