Range drop ?‍♂️

[svp6]

My experience: in just few minutes (let's say 3-5) my car is heated ... so I'm not sure why/how would preheating help with the range? After that I'm changing from Normal to Range mode and that's it.
Are you saying that warmer battery will last longer?

The interior of your car is heated in few minutes, the battery is not. You can display your battery temperature and see how long it takes to reach at least 18-20C. In very cold weather it may take one hour on the highway for the battery to get close to that, and your consumption will suffer - quite a bit. When you set a departure time both the interior and the main battery are warmed up.

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[svp6]

Increasing range by over inflating tyres would be illegal in the UK because deviating from the recommended pressures reduces grip so much the braking and roadholding are very much reduced so was banned here many years ago.
As an engineer having spent a lifetime running racing cars I always stick to recommended tyre pressures, having often been the guy testing the car to find where the optimum to recommend is...

True. However, 2.9 bar is within recommended range for 20" winter tires..... (actually 3.0 for full load). I also remember the tire inflation recommendations for my Tesla P85D changed frequently. Sticker door was 45 PSI (3.1 bar), then Tesla recommended 50 PSI, then back to 45. I sure hope Porsche is more consistent.

 

[Ruthi]

I talked to my dealer JB about this subject and he is going to jump on here and explain and you can ask him anything about the car. I told him what you are talking about and he said you have been given bad information. Heating the inside of the car is not the cabin area. The cabin area is where the battery is stored - Basically if you charge at home there is no need heat or pre-conditon as its not a super fast charge like you would get on the road with 350 fast charger so its not necessary. If you are on the road you search the charging point you will be heading for and the car will automatically do what needs to be done itself before it gets there. ALSO the new 2022 models are not plug and charge you do not have to use the app. I have had 4 Taycans and I have never heard of what you are talking about. I had one of the first cars in 2020 and know quite a lot about how things work. As per someone suggestion, I also charged my car up in the pouring rain and still got 285 range I did not get 340 like someone said because of the humidity. The range is calculated by the previous 10 minutes you drove. SO... if you drove like a crazy person or going up steep hills etc you will see a lower that expected range. It is not the true range, the only way to calculate it is to see what it is when you first take it off charge and see how many miles you go before you recharge it again plus whats left over. It resets itself all the time in addition to adding for when you break or cruise downhills. So, the range you see when you first charge is never and actual true number. When I get 285 I can drive away and it will drop to 275 then get where I am going and it can go up again. ALSO the larger battery will only give you an additional 25 +/- miles. Its heavier - there is more torque so it uses up more power and give less range than you would think.

 

[W1NGE]

I talked to my dealer JB about this subject and he is going to jump on here and explain and you can ask him anything about the car. I told him what you are talking about and he said you have been given bad information. Heating the inside of the car is not the cabin area. The cabin area is where the battery is stored - Basically if you charge at home there is no need heat or pre-conditon as its not a super fast charge like you would get on the road with 350 fast charger so its not necessary. If you are on the road you search the charging point you will be heading for and the car will automatically do what needs to be done itself before it gets there. ALSO the new 2022 models are not plug and charge you do not have to use the app. I have had 4 Taycans and I have never heard of what you are talking about. I had one of the first cars in 2020 and know quite a lot about how things work. As per someone suggestion, I also charged my car up in the pouring rain and still got 285 range I did not get 340 like someone said because of the humidity. The range is calculated by the previous 10 minutes you drove. SO... if you drove like a crazy person or going up steep hills etc you will see a lower that expected range. It is not the true range, the only way to calculate it is to see what it is when you first take it off charge and see how many miles you go before you recharge it again plus whats left over. It resets itself all the time in addition to adding for when you break or cruise downhills. So, the range you see when you first charge is never and actual true number. When I get 285 I can drive away and it will drop to 275 then get where I am going and it can go up again. ALSO the larger battery will only give you an additional 25 +/- miles. Its heavier - there is more torque so it uses up more power and give less range than you would think.

1. An issue of semantics - "cabin" is used in these forums to refer to "passenger compartment" for the avoidance of doubt. The preheat / cool function relates to this.

2. Preheat is time bound to 60 mins max and depending on ambient temperatures could take more or less time to reach that temperature.

3. Battery conditioning - there is no specific control for this (unfortunately) other than using the preheat function to use energy (generates heat in the battery - chemistry at work) but clearly (again depending on ambient temperatures and starting point) there is for many not enough heat generation to bring the battery up to a optimum charging temperature particularly when charging from home. Easier to achieve in warm and sunny Florida than it is in Siberia. For public charging, then the option to pre-condition is achieved when using the NAV to navigate to a DC charger >= 50kW. Again, if that charger is 1 mile away as opposed to 40 there is likely not enough time to achieve 'optimum' heat in the battery before charging commences.

3. Range - I think it is obvious to all that the reported range after charging is simply an indication / best case and is a variable that will change during actual use of the car. This is no different to an ICE (internal combustion engine) vehicle. What is different is that there are opportunities to conserve and / or put back some energy into the battery which may help to achieve additional range nudging a little closer to what was reported at the start.

A note on humidity - The relative humidity measured on the ground doesn't reflect moisture levels miles above in the sky. Rain occurs when the rising air can no longer hold the water droplets that have formed clouds high in the sky. ... So 100 percent humidity might not mean rain, but it does mean dew.

The reported 340 miles from a Florida forum member is genuine - look back through that particular forum thread - and I don't believe any rain featured. Simply put, the conditions before during and after the charging were as optimal as they possibly could have been at that time and likely not easily repeatable.

 

[f1eng]

True. However, 2.9 bar is within recommended range for 20" winter tires..... (actually 3.0 for full load). I also remember the tire inflation recommendations for my Tesla P85D changed frequently. Sticker door was 45 PSI (3.1 bar), then Tesla recommended 50 PSI, then back to 45. I sure hope Porsche is more consistent.

My Ferrari has surprisingly different pressure recommendations for different makes of tyre

 

[batteredhaddock]

In my experience pre heat the car for an hour which warms up the both inside & more importantly the battery to an optimum level.
Was told always to do so by Jaguar engineers at their HQ & have carried on to the Taycan. I tend to do long journeys & have found that it does help. Cold batteries will "suck up" more charge & consequently less miles.
This of course is only my opinion & others will have their own views.
Thanks.

Just a shame that on the older MY iPaces (mine is MY'19) that you can only preheat the battery once its got to 100%. Think the newer Pivi Pro ones have adopted the simple Tesla style slider and can now pre heat below 100%. Good to see (as long as I've understood this thread properly) that you can still pre-heat the Taycan battery if set to 80-85% (for those mid distance trips or going for some fun).

 

[W1NGE]

Just a shame that on the older MY iPaces (mine is MY'19) that you can only preheat the battery once its got to 100%. Think the newer Pivi Pro ones have adopted the simple Tesla style slider and can now pre heat below 100%. Good to see (as long as I've understood this thread properly) that you can still pre-heat the Taycan battery if set to 80-85% (for those mid distance trips or going for some fun).

I think it's wishful thinking to get a battery warmed (optimally) within a short period of time - even an hour - unless there is a specific feature to do it and it performs this separately to the charging function (as in prep before charge).

Interested to know what temp your battery is before you use this pre-heat function and what you get as it starts to charge.

For now there is no way to do this properly with the tools Porsche provides - "pre-heat" is more about climate control / comfort with a side effect of warming the battery a few degrees during the process.

I guess you could set a timer to pre-heat only whilst connected to your EVSE say to 24C (or possibly higher with experimentation) which has a max operating window of 60 mins to achieve it. Then set another timer for 60 mins after the first to then start the charging process. With a little trial (and much error) I guess you could also figure out when these two sessions need to start in order to achieve your desired SOC with your available off-peak electricity period (if that's important to you).

Guess what I'm doing over the Crimble holidays....

 

[batteredhaddock]

I think it's wishful thinking to get a battery warmed (optimally) within a short period of time - even an hour - unless there is a specific feature to do it and it performs this separately to the charging function (as in prep before charge).

Interested to know what temp your battery is before you use this pre-heat function and what you get as it starts to charge.

Naturally don’t have my Taycan yet but the chart below shows the pre-heat on my iPace. From memory it was about 2C that day when I set off at 6AM, it did have a brief charge up to midnight (100%) but from checking in the past that won’t have put much heat into the battery and it will have cooled some. You can see when the battery preheat kicked in (cabin heating is the last half hour only). Battery was 18C when I left (using car scanner as no dash display in iPace unlike greatTaycan batt temp info). Meant I could happily enjoy the car off all the A1 roundabouts without holding back ?.

 

[W1NGE]

Naturally don’t have my Taycan yet but the chart below shows the pre-heat on my iPace. From memory it was about 2C that day when I set off at 6AM, it did have a brief charge up to midnight (100%) but from checking in the past that won’t have put much heat into the battery and it will have cooled some. You can see when the battery preheat kicked in (cabin heating is the last half hour only). Battery was 18C when I left (using car scanner as no dash display in iPace unlike greatTaycan batt temp info). Meant I could happily enjoy the car off all the A1 roundabouts without holding back ?.

Sorry, I must be thick but I can't discern any of that from the screen shot - only shows kWh of the charging session - what am I missing?

 

[Fish Fingers]

It's a pity you can't transfer some of the heat from your phone (when it's been on the cars wireless charger) to the car battery.
?

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