hill
high fiber member
don't wana get anyone's shorts all bunched up because I'm (God forbid) referring to an old link, but there is part of that dialogue I've been ruminating on for some time now - which STILL leaves unanswered questions;
"... According to Tesla engineers, once vehicle has been DC fast charged over a specified amount, the battery management system restricts DC charging to prevent degradation of the battery pack. According to Tesla engineers, this vehicle has seen significant DC fast charging and is now has permanently restricted DC charging speeds. Important to note, supercharging will always still be available to the vehicle and the battery pack has not yet experienced significant degradation due to the amount of DC fast charging performed on the pack up until this point in time. Vehicle is operating as designed.
The news that a limit has been placed on DC fast-charging has sparked some outrage among Tesla owners in the thread, but to be fair, this particular Tesla owner has been virtually only charging through DC fast-charging, which is not common amongst electric vehicle owners.
He said that he accumulated [] charge ups on CHAdeMO only –..... "
Tesla's response here still fails to say how many kWh are necessary to hit the Throttle Down threshold experience ... and if Tesla had been forward-thinking enough to give notice to owners of this inevitable action right from the get-go, folks nearing that threshold, whatever it is - could be proactively attempting to avoid it - or even take a different charging tactic right from the get-go.
Tesla also failed to say whether or not this amount of supercharging stems from kWh's supercharged (or lower rated CHAdeMO'd) from recharging all the way to the top, or above 80%, above 50% or whether it's any amount of kwh received upon DC hook up. For example, we regularly use CHAdeMO - but it's typically just to bring a 15% charge back up to 50% ... maybe 33kWh's total each time .... and this CHAdeMO we use is only charging at 48kWh (most have that as a near max) .
one can easily understand that 100 kwh speed will heat up a battery, especially at the upper end. but 48 kwh? on the bottom end? that's going to ultimately at some point STILL cause a permanent throttle-down? from Tesla's nebulous explanation, it would appear so - because they only seem to date a criteria of total amount of a kWh's. the very reason we've stayed away as much as possible from upper end & 100 kWh speeds, was primarily to Preserve traction pack longevity. But now it looks like all bets are off because Tesla in their wisdom have taken their own measures. Wonder why they haven't given more specifics ....
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