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[ExT] Could a bricked Tesla battery cost you $40,000? - Page 3

post #21 of 123
I was looking at a Ford Escape hybrid a while back. I tend to keep vehicles for a long time but passed on the Escape when I learned it would cost $7,000- $9,000 to replace the batteries. That would more than offset the money saved on the extra mileage.
Edited by nanoprobe - 2/28/12 at 8:13am
    
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post #22 of 123
Quote:
Originally Posted by Xeio View Post

So you basically discharge the battery, then let it sit for an indeterminate amount of time?
I'm curious how long it takes to get to a critical state though, is there any data on that?
Tesla probably doesn't stop rolling, he never gets credit for anything good either.

Lower than 85% battery capacity results in damage.
post #23 of 123
Electric, hydrogen, or some alternative before it comes to this:

432

or this:

347
post #24 of 123
Easy way to fix this problem.

1. Use manual switch or electric relay to disconnect main battery when vehicle is not in use, or when main battery charge is dangerously low.

2. Add small,secondary rechargeable battery to power all the electric systems which continue to use power when main battery is disconnected.
     
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post #25 of 123
Quote:
Originally Posted by nanoprobe View Post

I was looking at a Ford Escape hybrid a while back. I tend to keep vehicles for a long time but passed on the Escape when I learned it would cost $7,000- $9,000 to replace the batteries. That would more than offset the money saved on the extra mileage.

In addition to the cost, the environmental impact of mountains of dead batteries is something to think about. That is of course in addition to all of the Smug that hybrids cause:

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post #26 of 123
Right now, personally, i think the best way to go is an efficient 4 cylinder compact/sedan. Batteries just have too many variables making them not suited for the task:

+life of the battery
+battery replacement
+battery disposal
+chemicals and pollutants in battery production
+pollutants from the electricity produced to charge the battery
+vehicle ranges
+refueling on the go

It all adds up, they have a long way to go before any of these are truly acceptable.
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post #27 of 123
Quote:
Originally Posted by Jagged_Steel View Post

Quote:
And it’s all the more amazing that you can travel 200 miles on a energy source that weighs just 30 pounds, not 1,000-2,000 pounds: five gallons of gasoline or diesel fuel.

According to the article 30 pounds of energy source (batteries) can carry the Tesla 200 miles (which is pretty impressive),compared to 1,000-2,000 pounds: five gallons of gas or diesel. Huh? A gallon of gas now weighs 200-400 pounds? My E-350 with both 34 gallon tanks full would weigh as much as a fully loaded cement truck then... Looks like a bad copy paste assembly of an article by somebody that does not know what they are "writing" about.

that sentence was constructed awkwardly, but it appears the author intended to indicate that while a battery that weighs 2000 lbs could only carry you 200 miles, 30 pounds of fuel could take you the same distance. 40 mpg is pretty damn good though, so i would imagine that its more like 45-50 lbs for the average vehicle.

actually, though, this exposes a second flaw in the author's judgment: comparing unlike objects. while 30 lbs of fuel is 100% consumed by the 200 mile journey, the battery can be recharged and reused. when we compare 2000 lbs of fuel to 2000 lbs of battery, we actually find that the battery is more efficient on a distance-weight ratio. 2000 lbs of fuel at the author's optimistic 40mpg is 10k miles. the 2000 lb battery is designed to last hundreds of thousands of miles. and before someone cries, "but you have to recharge it!!1!11!!!", you also have to refuel the vehicle: no car can carry 2k gallons of fuel at once.....
Quote:
Originally Posted by Jagged_Steel View Post

So "parasitic" battery losses after the vehicle is parked are what will "brick" the battery. How does Tesla counter this? Well , by using a parasitic always-on big-brother uplink to constantly monitor the condition of the battery. True genius.

Nikola must be chuckling while rolling over in his grave having his good name associated with complete idiocy like this.

well what do you suggest? tesla has expensive batteries that die. people complain. tesla implements systems to help warn owners when their batteries are about to die. people complain.

further, an actual statement from the company indicates that this is an option that one can disable. whether this completely eliminates any power draw, i don't know, but the power draw of a warning system that involves sending out a single short broadcast (to a cell tower? satellite? maybe wifi? dunno) would be pretty low. extremely low. next time you have the opportunity, test your computers power draw with and without your wireless adapter. and then realize that the consumption from tesla's system would be even lower because it only has to run once, for a second, to get the warning in to tesla.
Quote:
Originally Posted by Jagged_Steel View Post

P.S> My guess is that "bricked" batteries will be paid for by all of us in the form of insurance.

Your "bricked" Tesla requires either:
A: $40,000 out of pocket to fix, or
B: $0 and one match out of your pocket to torch the POS and get it paid for via insurance.

i HIGHLY doubt that the kind of person who buys a $120,000 semi-experimental vehicle is the same kind of person that commits insurance fraud.
Edited by macsters - 2/28/12 at 8:51am
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post #28 of 123
Quote:
Originally Posted by _02 View Post

I forgot about the visually impaired sound argument, I do remember reading about that a long time ago.
I was thinking about the reactions on a test drive. Old people couldn't tell it was on, kept trying to restart it at stop lights, forgetting to put it in park/turn it off, etc.

So the argument against them was that people who should not be driving anyways are having trouble driving? lol
post #29 of 123
They need to give up on electric cars. They aren't progress, they've been around for decades. How many times does the electric car have to be declared dead...? mad.gif
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post #30 of 123
The electric car (in the USA, anyway) is very similar to the CFL: Worse than the technology it was meant to replace and has no future outside of potentially severe environmental impacts that nobody seems to be willing to acknowledge. Luckily for us, LED light bulbs are starting to hit the mainstream.
Edited by Oedipus - 2/28/12 at 9:34am
    
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