Hi
Yes I have had this on a rapid, was surprised when the charger switch off at 95% but thought no more then when I tried to start it go the same error message.
I trawled this forum and came across someone else saying that it did this at the same level (95%) and the general advice was give it 10 mins to cool down as it had overheated. I waited and sure enough it corrected itself.
This is why I didnt go for the new Leaf because of the overheating so bit miffed the MG may have a similar issue. In future Ill just charge to 90% and stop
Do we dare to make the assumption ( the killer of all ) that heat is the primary problem here folks ?.
As leaving the car for 10 mins and returning appears to resolve the issue.
If so, then is it fair to come to the conclusion I guess.
If this theory IS anything close to the real problem here, then it is a little surprising given that the car has built in cooling for the pack don’t you not think ??.
Maybe an option would be to have the cooling of the pack commence a little earlier then.
A simple software fix maybe ????.
I know some people may need to charge close to 100% from a rapid on times, but it’s the extra time factor for me that would dissuade me from carrying out this practice.
People who frequent rapids on a REGULAR basis, need to be getting to their destination in a hurry, like yesterday !.
As we know, a rapid will start to throttle back the charge significantly when it reaches about 80%.
So most people in a hurry is likely to end the charge session here in order to get under way again ASAP.
Sitting on the rapid waiting for the SOC to increase from 80% to close to 100% is going to take WAY too long for our people in a hurry and is expensive, IF you are paying for it that is.
Therefore people who are commonly using rapids know this and are unlikely to come across this issue of waiting for the car to cool down, before being able to leave.
I openly admit NOT to be a big user of rapid units myself, but I would not be charging above 80% for the reasons stated above.
Speaking purely for myself here, if I was using a rapid charger on almost a daily basis, then I would be questioning myself on the choice of EV that I had made.
A longer range EV would be my next focus.
Bashing the HV pack day in, day out with ALL that juice from a rapids IS going to effect the long term longevity.
On this point, I think we all agree.
If you car is on a least deal or even a PCP to a certain extent, and you intend to replace it at the end of the term, then the SOH of the battery will not be high in your list of priorities.
You are passing on the battery degradation to the next owner.
Manufacturers a fairly certain that they will not be replacing expensive HV packs under the warranty period.
An estimated degradation of about 3% per year ( given the usage and charging cycles ) is to be expected IMO.
Quick “Man Maths” themselves say that at this level, packs are likely going to last the life of the car.
Remember, even when the battery has badly degraded, it will not be the whole pack that is affected, just certain number of the individual cells that would need replacing.
Early Nissan Leaf are having their packs refurbished for a LOT less than the price of a complete HV pack.
When choosing an EV it maybe wise to factor in a bit of battery degradation IF you intend to keep the car long term and your daily usage pattern is likely to be stretching the range of the car when you first purchased it.
Otherwise you are likely to be making a few more charging stops as the pack ages.
The charging infrastructure is getting better, it HAS too !.
In another 3 to 5 years I expect to see a bug increase in chargers.
But you have to factor in the time you need to spend using them as your battery degradation increases and your demand for range has not reduced.
This only affects people who are covering a LOT of miles and performs a LOT of charging sessions.
Home charging is generally accepted as being kinder to the health of your battery pack long term.
Which comes a no big surprise to a lot of folks.
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