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Discussion Starter #1
Hi,

Has anyone charged their e-208 on a 150kW charger, or seen anyone else do it and document the results? I'd be interested to know how the ability to charge at 100kW actually works in practice.

I see the Zoe 50 charging profile is here at Fastned:


and looks like it averages about 35kW between 10% and 80% - to my mind a typical motorway charge.

There's no equivalent yet for the e-208 on that site.

Would be interested to know how different the e-208 actually is in practice.
 

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and looks like it averages about 35kW between 10% and 80% - to my mind a typical motorway charge.
According to the above video, for the e-208:

10% to 80% takes 37 minutes and adds 34.6kW giving an average of 56kW charging speed.

The charging speed is throttled back in steps rather than a curve:

00 - 16% at 97kW
16 - 46% at 76 kW
46 - 68% at 54kW
68 - 83% at 27kW
83 - 85% at 11kW
 
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Discussion Starter #5
According to the above video, for the e-208:

10% to 80% takes 37 minutes and adds 34.6kW giving an average of 56kW charging speed.

The charging speed is throttled back in steps rather than a curve:

00 - 16% at 97kW
16 - 46% at 76 kW
46 - 68% at 54kW
68 - 83% at 27kW
83 - 85% at 11kW
Thanks very much for the detailed answer (with numbers!)

I found a similar video from TeslaBjorn for the Zoe 50.


The Zoe takes about 54:30 to go from 10% to 80% and pulls in 37.8kWh during that time. I make that an average charging rate of 41kW - a bit faster than I'd expected. The e-208 comes out at about 37% faster than the Zoe50.

Obviously the Zoe50 battery is a bit bigger than the e-208 - about 9.2% given the values we have here for how many kWh 10-80% represents, so we're not quite comparing apples with apples. It would be difficult to talk about miles made available per period of charge without making assumptions about the efficiencies of the cars.

To put it more simply, a 'typical' charge stop will take about 17 minutes longer in a Zoe, assuming the e-208 has access to a 100kW+ charger, but the Zoe would leave with a few more miles on the guess-o-meter.
 

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Hi,
is there a 50KW charger that shows current charge speeds?

I want to test charging on those as they are far more common in the UK then the 100KW+ ones.

Any suggestion?
 

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Hi,
is there a 50KW charger that shows current charge speeds?

I want to test charging on those as they are far more common in the UK then the 100KW+ ones.

Any suggestion?
00 - 16% at 97kW
16 - 46% at 76 kW
46 - 68% at 54kW
68 - 83% at 27kW
83 - 85% at 11kW
Presumably it would take the maximum that the Rapid could supply, hopefully the full 50kW, up to 68%. It will then throttle back to 27kW, and then 11kW at 83%.

This would give a 20 to 80% time of 40 minutes. Potentially the car might throttle back to 27kW later as the battery won’t be so hot because of charging at 50kW instead of 97 and 76kW.
 
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C8528F0F-8789-480F-A28C-3718B7316DAB.png

According to ev Database a 10 to 80% charge will take 52 minutes. They suggest the car will charge at an average of 40kW. I don’t know where they got this figure from. It seems a bit low to me.

Using the same calculation as in my previous post, the 10 to 80% charge would only take 46 minutes.

In due time we’ll see who is closest ;)
 
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Seems realistic:

These were my charges on a Polar 50kW:
31->97% 87 min
12->81% 45 min

I will do a video on an ecotricity it shows A and V so can calculate the kWh.
On a Polar charger I record time and kWhs delivered and then calculate the rate. I did this to test a Rapid Charge Zoe, taking readings at every 10% SoC. More convenient than looking for an Ecotricity Rapid if a Polar is closer to you.
 

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I got both around me, same distance, so not an issue.

I want to see the charging curve.
My vehicle provider is apparently getting some e-208 GTs so I’m considering swapping my Zoe for one. So look forward to seeing the results of your experiment. Might help me decide, so no pressure ;)
 

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Today was a huge fail.

Went to an Ecotricity charger just to find out that it is locked into the IKEA car park...
Luckily a mile away there was another 2 at the Motorway Service. 1 broken the other one seem to be all good.

Took the tripod out, got the camera into position, went through the process on the app, connected the car up, and then the charger told me there is an issue with charge and went back to the welcome screen but it was charging the car normally.
A bit of trying to disconnect the car on my own, then a nice discussion with the Ecotricity support and emergency stopping the charger the car is charged to 50% so need to wait a few days before I can retry.

Better luck next time :D
This is the 4th time I am trying Ecotricity chargers, never had any luck with them. (Maintenance mode, out of service, this now [you can argue that at least it charged the car])
 

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Yeah, I use it now and then.
I got a Polar and 3 Electricity 50kWh and several free 7kWh around. I should have checked the IKEA one as ZapMap tells it is closed into the car park. Marks one of two Ecotricity working, and it was shown as working on the Ecotricity app as well. I guess it was just bad luck.

These are based on the above 2 videos with the missing data calculated and the ZOE curve flattened out a bit.

130554


130559
 

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Discussion Starter #16 (Edited)
Thanks both.

I threw together my own quick spreadsheet to check the numbers.

Using the charge rates that E7EV provided, I get 10-80% in 37 minutes - which agrees with reality!

If I apply a ceiling of 50kW on those charge rates, I get a 10-80% time of 45.5 minutes.

And that compares to the time we already had of 54.5 for the Zoe50. So about a 9 minute difference on the same 50kW charger, and the Zoe50 gets a few miles more in the tank.

130588
 

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Ok, so I was planning to do a 50kWh charge test for a while now.

I am bit disappointed as on Ecotricity the best I got was 34 kWh. I am looking for someone to confirm my results.

After the fail with the Ecotricity I went down to a Polar and finished the charging there:

25 Celsius outside, started 35% due to a 20 min charge at Ecotricity

Results:
00-73% 49.5 kWh
73-82% 27 kWh
82-87% 22 kWh
87-88% 11 kWh

I finished at 88% as it seems largely pointless to stay at a rapid above 80%.

To compare on a 150kWh one:
00 - 16% at 97kW
16 - 46% at 76 kW
46 - 68% at 54kW
68 - 83% at 27kW
83 - 85% at 11kW

Charging curve and kWh delivered:

130730
130731
 

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Ok, so I was planning to do a 50kWh charge test for a while now.

I am bit disappointed as on Ecotricity the best I got was 34 kWh. I am looking for someone to confirm my results.

After the fail with the Ecotricity I went down to a Polar and finished the charging there:

25 Celsius outside, started 35% due to a 20 min charge at Ecotricity
00-73% 49.5 kWh
73-82% 27 kWh
82-87% 22 kWh
87-88% 11 kWh

I finished at this point.

To compare on a 150kWh one:
00 - 16% at 97kW
16 - 46% at 76 kW
46 - 68% at 54kW
68 - 83% at 27kW
83 - 85% at 11kW

Charging curve and kWh delivered:

View attachment 130730 View attachment 130731
Interesting. So to 40 kW it makes all of 4 minutes difference compared with the ZOE and 14 minutes on a 150 kW charger.

But then the ZOE can access free destination chargers at 22 kW, which is a bit of a boon. :)
 

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Honestly I would most likely stop at around ~36kW / 72% charge as it slows down after that considerably. Might worth heading to the next charger on your route at that point.

Also the graph assumes you start with 0kW in the battery which is unlikely, so need to offset the data slightly.

4-36 kW it would take:

~32 mins on 100kWh+ charges
~39 mins on 50kWh charger (Polar and the ones that can deliver over 400V)
~58 mins on 50kWh Ecotricity (I think these are limited to 400V, but we need someone to confirm charge rate on these)
~44 mins for the Zoe on rapid

The 208 has 7kWh and a 11kWh destination charging option, but most households does not have 3 phase electricity (correct me if I am wrong) that is required for 11kWh so that option seems largely pointless for the extra £300.

If I understand correctly Zoe got 7kWh wall boxes for destination charging aswell. Might be a faster option but I assume 3 phase would be needed as well. (I am not fully aware how Zoe works, this is just based on a quick surf on Renault website and my assumptions)

What worries me slightly is the poor performance on Ecotricity as they are next to Motorways, while for Polars you need to take a small detour usually.

Can anyone confirm the rate on Ecotricity chargers?
 
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