EV's more Efficient than ICE vehicles

 
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Sunny Boy
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Post by Sunny Boy » Mon. Apr. 08, 2024 8:40 am

BigBarney wrote:
Sun. Apr. 07, 2024 9:12 pm
Battery replacement in 20+ years and the old battery

after 300,000 miles could help power your house for 30+ years...

BigBarney

20 years huh? If it is too worn out to power the car, how will it power the house? Sounds like another EV fairy tale.

Paul

 
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Post by k-2 » Mon. Apr. 08, 2024 11:46 am

ColdHouse wrote:
Mon. Apr. 08, 2024 3:38 am
I do not think EV's should be mandated. I didn't write the article. I own 1 EV that so far I am happy with. I wouldn't want to be forced to own an EV if I didn't have the ability to charge the vehicle at home with ease.
Many people wind up buying an EV mostly because they produce more solar juice than they use and only get credit its for the excess instead of cash. I wonder how the grid feed back system would work if the grid went down? Where would your excess Kwh go?

 
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Post by mozz » Mon. Apr. 08, 2024 12:09 pm

You take care of a car and you won't need a engine or transmission. Chances are your battery stops working you won't be able to get a replacement. As to solar credits, what a scam. I don't want credits I want cash. My electric bill is only $50 some dollars a month. If I use solar and then have excess, I would never be able to use the credits.

 
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Post by nut » Mon. Apr. 08, 2024 12:21 pm

mozz wrote:
Mon. Apr. 08, 2024 12:09 pm
You take care of a car and you won't need a engine or transmission. Chances are your battery stops working you won't be able to get a replacement. As to solar credits, what a scam. I don't want credits I want cash. My electric bill is only $50 some dollars a month. If I use solar and then have excess, I would never be able to use the credits.
A small array could wipe out your bill.


 
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Post by BigBarney » Mon. Apr. 08, 2024 3:56 pm

People don't understand batteries... I can show you old lead acid batteries

over 50 years old and are still used... Look at any rail crossing and see old

Edison cells that power the gates 24/7 ...

My good friend had a whole bank of these glass cased batteries for energy

storage from his windmill... They were made in the 1930's...Used in 1980's...

Batteries for home use don't have to have 70% capacity to work well...

You only need more cells to do the job...

Bigbarney

 
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Post by mozz » Mon. Apr. 08, 2024 5:15 pm

nut wrote:
Mon. Apr. 08, 2024 12:21 pm
A small array could wipe out your bill.
Whether covering the garage or the house roof might do it, how long would it take to pay back? I also thought even if you didn't use any electricity, you had some surcharges on your bill? I should tap the small creek behind the house for electricity with a small spillway, though EPA/DEP or whoever would not like that. Even if it powered a few lights.

 
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Post by Sunny Boy » Mon. Apr. 08, 2024 5:44 pm

BigBarney wrote:
Mon. Apr. 08, 2024 3:56 pm
People don't understand batteries... I can show you old lead acid batteries

over 50 years old and are still used... Look at any rail crossing and see old

Edison cells that power the gates 24/7 ...

My good friend had a whole bank of these glass cased batteries for energy

storage from his windmill... They were made in the 1930's...Used in 1980's...

Batteries for home use don't have to have 70% capacity to work well...

You only need more cells to do the job...

Bigbarney
I can show you a shelf of dead 6 volt lead/acid auto batteries that the plates are worn out (eaten up by electro chemical process) after 10-12 years occasional use. And some worn out sooner 12 volt ones from near everyday use. Plus, a bag of researchable flashlight batteries all worn out. Then there are the worn-out batteries of my cordless drills. All from many charge/discharge cycles.

The reality of batteries is that each time you use a battery to supply energy it loses some of its ability to store and make energy.

Paul

 
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Post by ColdHouse » Mon. Apr. 08, 2024 5:48 pm

BigBarney wrote:
Mon. Apr. 08, 2024 3:56 pm
People don't understand batteries... I can show you old lead acid batteries

over 50 years old and are still used... Look at any rail crossing and see old

Edison cells that power the gates 24/7 ...

My good friend had a whole bank of these glass cased batteries for energy

storage from his windmill... They were made in the 1930's...Used in 1980's...

Batteries for home use don't have to have 70% capacity to work well...

You only need more cells to do the job...

Bigbarney
I have worked on doing auto body with a guy that would equate wore out 80 grit to 100 or something like that. For me I find the cost of the sandpaper insignificant and just grab a new sheet when the old one stops performing.
I know Thomas Massie had lead acid batteries powering his Kentucky home and the capacity had dwindled down to a point where he needed new battery system. He bought a wrecked Tesla battery and configured it for his home.


 
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Post by BigBarney » Mon. Apr. 08, 2024 6:04 pm

Modern LI Ion batteries can last 10,000 cycles from 20-80%...

That is 27 years with daily use... Probably more like 40+ years...

Down to 70% but still usable for decades...

60 Kwhr down to 42 Kwhr for that time period...

But owners have seen many at 85% at 300,000 miles...

Just put 2 together and you have 84 Kwhr more than you had before...

Even scrap value is $2.00/# so $1800.00 as scrap black matter...

BigBarney

 
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Post by ColdHouse » Mon. Apr. 08, 2024 6:25 pm

BigBarney wrote:
Mon. Apr. 08, 2024 6:04 pm
Modern LI Ion batteries can last 10,000 cycles from 20-80%...

That is 27 years with daily use... Probably more like 40+ years...

Down to 70% but still usable for decades...

60 Kwhr down to 42 Kwhr for that time period...

But owners have seen many at 85% at 300,000 miles...

Just put 2 together and you have 84 Kwhr more than you had before...

Even scrap value is $2.00/# so $1800.00 as scrap black matter...

BigBarney
Well you I guess are the expert. I claim to know nothing about batteries. I was responding you you commenting on how they are still good for home use and I know that Massie had to change out his lead acid batteries because they had little to no capacity to hold a charge.

 
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Post by k-2 » Sun. Apr. 21, 2024 11:28 am

Lots of cash being dumped into todays batteries which may quickly be replaced tomorrow with something entirely different.A very risky venture.

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