Battery Charging

tiger tony · Post by **tiger tony** » Wed Jan 04, 2023 8:04 am

C2atb wrote: ↑Tue Jan 03, 2023 10:01 pm
What is a digital certificate?

Its basicaly the vehicle service record along with the full details of the build specification of your vehicle.

C2atb · Post by **C2atb** » Wed Jan 04, 2023 8:47 pm

tiger tony wrote: ↑Wed Jan 04, 2023 8:04 am
C2atb wrote: ↑Tue Jan 03, 2023 10:01 pm
What is a digital certificate?
Its basicaly the vehicle service record along with the full details of the build specification of your vehicle.

Ah I see , thankyou

RWH · Post by **RWH** » Wed Mar 08, 2023 8:08 am

My IV 60 will be coming up to 2 years old in June with 21,000+ miles. For two fast charges in the last week the charger has indicated that the charge speed is being limited by the vehicle. I've previously charged to a speed of around 90kw from a low SOC. Just wondering what's going on. I read the following article - https://www.evgo.com/blog/5-things-that ... ing-speed/. So might it have been the low temperature or is there a voltage limitation? Anyone else experiencing this?

Aragorn · Post by **Aragorn** » Wed Mar 08, 2023 10:46 am

What was the battery temperature?

HarryHuk · Post by **HarryHuk** » Wed Mar 08, 2023 11:12 am

Aragorn wrote: ↑Wed Mar 08, 2023 10:46 am What was the battery temperature?

And/or ambient temperature?

enyaqreplemished · Post by **enyaqreplemished** » Wed Mar 08, 2023 9:31 pm

Does anyone know if you buy a used 2021 car with maximum 50kW charge speed can you upgrade this at a dealer for a fee to get it to 100kW+?

RWH · Post by **RWH** » Wed Mar 08, 2023 9:44 pm

HarryHuk wrote: ↑Wed Mar 08, 2023 11:12 am
Aragorn wrote: ↑Wed Mar 08, 2023 10:46 am What was the battery temperature?

And/or ambient temperature?

The outside temperature was about 4°C, no idea about the battery temperature - does the car tell you? I wonder if it's cold does the car limit the charging speed?

HarryHuk · Post by **HarryHuk** » Thu Mar 09, 2023 12:26 am

RWH wrote: ↑Wed Mar 08, 2023 9:44 pm
HarryHuk wrote: ↑Wed Mar 08, 2023 11:12 am
Aragorn wrote: ↑Wed Mar 08, 2023 10:46 am What was the battery temperature?

And/or ambient temperature?
The outside temperature was about 4°C, no idea about the battery temperature - does the car tell you? I wonder if it's cold does the car limit the charging speed?

You need an OBD reader. Yes the car does limit the charging speed when it's cold. Older cars pre-ME3.0 software do so to a different extent. I can't remember the details, but there are plenty of threads about it here

Aragorn · Post by **Aragorn** » Thu Mar 09, 2023 1:31 pm

enyaqreplemished wrote: ↑Wed Mar 08, 2023 9:31 pm Does anyone know if you buy a used 2021 car with maximum 50kW charge speed can you upgrade this at a dealer for a fee to get it to 100kW+?

yes, it costs around £450

C2atb · Post by **C2atb** » Thu Mar 09, 2023 10:43 pm

I had a charge tonight before trip home from 8% , I tried the harsh accelerator and regen braking before plugging into a 350kw charger . Usually I can get around 90kwh for a the first bit to 30 then drops off to 65 from 50 etc but today being 1degrees I never hit more than 65kwh the whole time and I am certain it’s the cold weather doing this . It’s almost like the battery never warms up enough throughout the whole charge to allow the same figures when warmer temperatures

Battery Charging

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