Maxx
Well-known member
OP said battery temp was normal. Overheating would show. Op also said it felt like we hit something. Although low possibility, we should consider the possibility that something did find an uncovered weak point and got to the battery.rantings of a madman.
I am left wondering after reading thru 14 pages:
1. it was cold and HV battery had to have the heater on.
2. most likely cabin heater was on also.
it could be the battery conditioning system causing a pack to overheat and swell. this is where I would start looking due to the popping sound d under the truck.
Many years ago I had a USB power pack that I powered my SENA helmet comms/camera for long trips, after several years of use, sometimes in very cold weather, she began to bulge, eventually I properly disposed of it.
I have had a couple of EGO batteries that got fat and died. I have two jumper batteries one in ICE and one in lightning as well. And both at 100% SOC all the time. I am sure it is not the actual 100% SOC but high.
But if you are in a Lightning, your odds of dying from fire goes up because accident could get you stuck in the truck and then cause the battery fire. Now I am even more afraid of dying from battery fire in addition to my ear buds exploding in my ears while I am being barbecued. Can you people stop trying to put my mind at easeIf you're going to worry about anything, just worry about the risk of plain old death in a traffic accident.
It is important to note that Humans are the ones that came up with statistics and probability. Human brain that is a pattern recognition machine came up with those abstract concepts by observing the events in physical world. In my state, Ellicott city MD got a 1000 year flood (0.1% chance) in 2016 and a lot of businesses were ruined. The ones that didn't understand probability and statistics left for good and the ones that did came back. Ellicott city got another 1000 year flood in 2018 and all those folks with good understanding of laws of probability got flooded again.This thread reminds me of two things. 1. Humans are lousy at understanding statistics and their relation to probability.
Our assessment of probability comes from observing the events of the past. Often we don't understand every component that influence those events and when one of those components change, we won't get to update our probability forecast until we have more data points in future but our intuition can detect something has changed here and hence the freak out. My guess is the reason everyone freaks out without having concrete evidence that it is justified is this:
When our ancestors eating bananas in the jungle heard branches moving, some of them freaked out and ran away and some of them kept eating their bananas and made fun of the first group. It turned out that 99 times out of 100, the branches moved because another monkey was coming in for the banana but 1 out of 100 times, it was a hungry T Rex. Over time, natural selection selected the freakout group to become humans.
All that is to say, we don't know what caused the fire. Since this was a 23, if age of a component in Lightning along with a design flaw is the cause of this and there is not enough info in the ashes to figure out the cause, we may have more fires and probability and statistics based on fires in other EVs in the past will be irrelevant.
I am not loosing sleep over this and can't park anywhere safe and convenient but I usually charge to 50% and do whatever I can that is convenient to reduce risk.
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