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Battery problem

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Old Oct 23, 2012 | 10:51 PM
  #11  
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Originally Posted by BenRNBP
I wouldn't say 11.2v was irrecoverable. The deterioration of the cells in lead acid is normally caused by a build up of sulphate crystals which happens when discharged,so can happen before you even buy the battery whilst it's in transit/storage.

A pulse charger is really the only way to break these crystals down again - so it might be worth looking at the Lidl C-tek copy (or a meatier genuine c-tek that has more functionality) as this has a pulse charging mode (between 7.5v and 10.5v so you'd need to discharge it further first)

I've messed around with recovering dead batteries and I've tried making a Bedini pulse motor/charger (not very successful, but fun), Epsom salts (maybe got another 6 months from the battery) - I've yet to try and recover a "dead" battery with something that was made for the job so let us know how you get on.


The AA man did imply that and said a slow bench charge could restore the battery. I did not mention in my original posting the car is not Garaged but left out behind my workshops; it does not seem to dislike that at all. However, I am most grateful for all of your remarks, she is behaving herself now and has had a good run so we will keep all digits crossed. Grateful thanks.
Mike
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Old Oct 23, 2012 | 11:19 PM
  #12  
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Weather has been pretty cold and damp of late which is a battery killer and if the car hasn't been used a lot that will quicken the discharge process as well as the cold not helping it retain charge.

It's not a particularly big battery in the first place
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Old Oct 24, 2012 | 11:47 AM
  #13  
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Thought i'd heard the beginnings of alternator death - turns out the battery was low on electrolyte ( almost empty) - do regular checks folks, you can prevent the problem by doing some simple bi-annual maintenance.
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Old Oct 24, 2012 | 12:27 PM
  #14  
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Originally Posted by unclefester
Weather has been pretty cold and damp of late which is a battery killer and if the car hasn't been used a lot that will quicken the discharge process as well as the cold not helping it retain charge.

It's not a particularly big battery in the first place

I'm having the big test on Friday when I start her up after a month... hope it'll be alright!
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Old Oct 24, 2012 | 02:42 PM
  #15  
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Originally Posted by richmc
Originally Posted by Nick Graves' timestamp='1351019490' post='22103363
[quote name='richmc' timestamp='1351001488' post='22102548']
[quote name='Nick Graves' timestamp='1350987042' post='22102227']
Solar chargers aren't very good if your car is garaged, either.
Especilly with the doors closed, unless you leave the light on.
I use the headlights. But you have to shine them via a mirror, to overcome the second law of thermodynamics.
[/quote]

What this one-

Second Law of Thermodynamics - Increased Entropy
The Second Law of Thermodynamics is commonly known as the Law of Increased Entropy. While quantity remains the same (First Law), the quality of matter/energy deteriorates gradually over time. How so? Usable energy is inevitably used for productivity, growth and repair. In the process, usable energy is converted into unusable energy. Thus, usable energy is irretrievably lost in the form of unusable energy.

"Entropy" is defined as a measure of unusable energy within a closed or isolated system (the universe for example). As usable energy decreases and unusable energy increases, "entropy" increases. Entropy is also a gauge of randomness or chaos within a closed system. As usable energy is irretrievably lost, disorganization, randomness and chaos increase.

Second Law of Thermodynamics - In the Beginning...
The implications of the Second Law of Thermodynamics are considerable. The universe is constantly losing usable energy and never gaining. We logically conclude the universe is not eternal. The universe had a finite beginning -- the moment at which it was at "zero entropy" (its most ordered possible state). Like a wind-up clock, the universe is winding down, as if at one point it was fully wound up and has been winding down ever since. The question is who wound up the clock?

The theological implications are obvious. NASA Astronomer Robert Jastrow commented on these implications when he said, "Theologians generally are delighted with the proof that the universe had a beginning, but astronomers are curiously upset. It turns out that the scientist behaves the way the rest of us do when our beliefs are in conflict with the evidence." (Robert Jastrow, God and the Astronomers, 1978, p. 16.)

Jastrow went on to say, "For the scientist who has lived by his faith in the power of reason, the story ends like a bad dream. He has scaled the mountains of ignorance; he is about to conquer the highest peak; as he pulls himself over the final rock, he is greeted by a band of theologians who have been sitting there for centuries." (God and the Astronomers, p. 116.) It seems the Cosmic Egg that was the birth of our universe logically requires a Cosmic Chicken...

Or in other words "it won't work".


[/quote]

Is the correct answer.

I bet someone's there with a mirror...
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Old Oct 24, 2012 | 11:01 PM
  #16  
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It would work if you had two mirrors as it would double the amount of light, unless the cosmic chicken got in the way of one of the reflected beams.
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Old Oct 25, 2012 | 01:48 AM
  #17  
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You'd need a grid, such that each photon could travel into both mirrors simultaneously, thus doubling the potential.

If we all worship the china teapot, the cosmic chicken won't be an issue.
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Old Oct 25, 2012 | 01:59 AM
  #18  
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If your garage is dark, leaving a cat in there might help charge the battery.
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Old Oct 25, 2012 | 02:35 AM
  #19  
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If you have a prism in front of the headlights you will probably end up being fleeced of all your money by a door to door salesman.

Is October boring or what?

My battery registers as not great after a week according to mr c tek
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Old Oct 26, 2012 | 01:42 AM
  #20  
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Tek C?

He used to own our corner shop.

Thought he'd retired.
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