E transporter not charging full kw capacity.. pics included

Gl1985

New Member
Hey guys posted a few times here before , my transporter should be charging 37.5kw to a full charge , I barely getting 30kw, I’m getting 2 mile/kw on the display which is ok but it’s taking over 5.5(home use ) and the charge isn’t complete or stops at around 30. Iv included some pics below if any of you guys have any thoughts , thanks

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Does it behave the same in the warmer months?
 
No I was getting the full charge both miles and kw
Sorry to be ‘that guy’ and I apologise profusely if you already know this, but EV batteries hold less charge when cold, I believe.
 
Sorry to be ‘that guy’ and I apologise profusely if you already know this, but EV batteries hold less charge when cold, I believe.
Ha no worries yeah I know the weather plays a part im more querying as to why it’s not fully charging sometimes within the 5.5 hours and I would the battery still charge the full 37.5 bit still give less mileage ?
 
Also on my latest drive from a full charge I have 20 miles with a range of 32 miles left so a total of 52 miles which is nearly a 40% reduction from the maximum , surely the weather wouldn’t cause such a deficit ?
 
According to a Google search, EV battery range can be reduced by as much as 32%.

Certainly the EV hire cars I’ve had, have been much reduced in range in winter.
 
Handbook I guess.....I think its only the ID series that have it and I think some of the earlier ones missed out.
82 miles range is not alot in EV terms, but, for me, I only do 20-30 mile round trips so it could work for my needs. They're dirt cheap too.
Any other observations on you ownership?
 
Just a side note, don't mix up KW with KWh, they are very different things!
KW (Kilo Watts) is a rate of power consumption or generation, (like BHP)
KWh (Kilo Watt - hours) is the capacity of power stored or used, (like Litres of diesel)
It would appears this thread is only talking about KWh, ie the capacity of batteries. Pedantry over!
 
Just a side note, don't mix up KW with KWh, they are very different things!
KW (Kilo Watts) is a rate of power consumption or generation, (like BHP)
KWh (Kilo Watt - hours) is the capacity of power stored or used, (like Litres of diesel)
It would appears this thread is only talking about KWh, ie the capacity of batteries. Pedantry over!
Can’t be pedantry if it’s factual. :)
 
Just a side note, don't mix up KW with KWh, they are very different things!
KW (Kilo Watts) is a rate of power consumption or generation, (like BHP)
KWh (Kilo Watt - hours) is the capacity of power stored or used, (like Litres of diesel)
It would appears this thread is only talking about KWh, ie the capacity of batteries. Pedantry over!
Now as an ex Physics teacher, I am going to super pedant you (if there is such a thing) -
kW (note lower case k) is the rate of energy transfer (in other words power) - so joules/second. One joule being transferred per second is one watt.
kWh is the amount of energy transferred or stored ( like in a battery) and can be converted directly to the unit of energy - the joule.

If the unit was named after someone like, in this case, James Watt, the symbol for the unit is capitalised, otherwise it is lower case.

#evenmore pedantry

See me after class :)
 
Now as an ex Physics teacher, I am going to super pedant you (if there is such a thing) -
kW (note lower case k) is the rate of energy transfer (in other words power) - so joules/second. One joule being transferred per second is one watt.
kWh is the amount of energy transferred or stored ( like in a battery) and can be converted directly to the unit of energy - the joule.

If the unit was named after someone like, in this case, James Watt, the symbol for the unit is capitalised, otherwise it is lower case.

#evenmore pedantry

See me after class :)
I was good a physics, but not so good a languages, so you'll have to excuse the incorrect use of upper and lower case!
I normally hand write in upper case for clarity, as it's 99% business records etc, so I would normally write KW and KWH. BUT WRITING IN UPPER CASE ON A PUBLIC FORUM IS CONSIDERED AS SHOUTING, so I don't do it. MUCH!

I'll do a detention, and 1000 lines...
 
Ha no worries yeah I know the weather plays a part im more querying as to why it’s not fully charging sometimes within the 5.5 hours and I would the battery still charge the full 37.5 bit still give less mileage ?
With cold weather you will have a number of effects

First the cold slows down the chemical reaction in batteries meaning their peak current drops usually meaning less usable range.

Second you need heat in the van and, unlike an ICE where you get it mostly for free as part of stopping the engine melting, it all comes from the batteries. Heating loads in winter can use a significant amount of charge.

Thirdly depending on your battery chemistry and how they are managed some batteries need to be heated before they will charge, either with heating strips or by gentle charging until they warm up to able to take the full charge rate.
 
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