Batteries

  1. #1
    Right friends, I thought I'd explain about batteries.

    First of all it doesn't matter if you store a battery on a concrete floor, it's almost 100% non conductive and the battery is made of very thick non conductive plastic. Also it doesn't discharge it through coldness, the battery normally sits on a cold metal plate in the car anyway.

    In cold weather a battery that has a low state of charge can freeze and be damaged. Cold weather makes the power required to start the engine increase dramatically so a battery in a low state of charge cannot deliver the amps required to start the unit.
    However it's not the cold that kills batteries, it's the heat if a battery gets really hot like in the summer or due to a malfunctioning Alternator, it's then when it becomes cold outside that you notice a drop in power or it'll go flat. Then if you leave it flat for a period of time, Say over night the Sulfur can attach itself to the plates inside the battery and then when you charge it again it might not hold its charge. Or it won't charge at all.
    No matter how much you charge it once the Sulfur has attached itself that's it.

    So you may jump start your car, then it'll be fine all day while you go in and out of shops, but the next morning it'll be flat again... Then it's time for a new one


    I don't think I've missed anything out, just thought I'd explain as a few people are confused as to why their batteries are flat each morning lol.

    More explanation and ways to stop Sulfation.

    Due to chemical interactions inside a lead battery it must be used on a regular basis or sulfation will occur. Sulfation interferes with the ability of the battery to accept, hold and deliver a charge, and left unchecked will render the battery useless far short of its designed life. In understanding how, and under what circumstances sulfation takes place, one can take measures to avoid it and prolong battery life by years. This is not only good for the pocketbook, but for the environment.

    In basic terms, a common acid battery consists of a series of oppositely charged lead and lead oxide plates which divide cells. Battery cells are filled with a mixture of 65% distilled water and 35% sulfuric acid, or electrolyte solution. Electrolyte produces electrons. While under charge electrons move between the plates discharging energy in the form of volts. The lead plates convert this energy into electricity. Each cell can produce about 2.1 volts of charge, therefore a 12.6-volt battery, for example, requires six cells.

    Sulfation occurs when the battery sits for long periods of time and the electrolyte solution begins to break down. Sulfur in the solution leaches from the electrolyte, sticking to the lead plates as converted lead sulfuric crystals. These crystals coat the plates preventing them from doing their job at the next crank. Compounding the problem, the electrolyte solution becomes weaker because it is lacking the sulfuric acid that has converted to crystals. This equation reduces the ability of the battery to deliver and accept a charge.

    Stages of sulfation include an initial form that might reduce quick starting, but will be absorbed back into the electrolyte when charged. With more time, stage one progresses into stage two sulfation, wherein small crystals begin to form on the plates. At this point the battery might not start the vehicle, and will require a greater charge to break the crystals free. If the battery sits long enough, stage two sulfation will advance into stage three, resulting in a non-chargeable battery. The lead sulfuric crystals of stage three sulfation can grow so large as to cause the battery case to bow.

    To keep sulfation from occurring, a battery need only be maintained in a fully charged state. For those vehicles and crafts used on a daily or semi-daily basis, this isn’t a problem.
    To slow this process, some people disconnect the battery from the vehicle when not in use, but sulfation and self-discharge still occur. A better, more convenient and effective solution is to use a device called a battery conditioner. A battery conditioner will keep the battery fully charged between uses, without overcharging it. Battery Minder and Battery Tender are examples of two such products, designed specifically to prevent sulfation and extend battery life by as much as several years.
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  2. #2
    Cold temperatures do affect batteries.
  3. #3
    Quote:
    Originally Posted by welshpug View Post
    Cold temperatures do affect batteries.
    In cold weather a battery that has a low state of charge can freeze and be damaged. Cold weather makes the power required to start the engine increase dramatically so a battery in a low state of charge cannot deliver the amps required to start the unit

    As I said, the battery is actually weakened by the hot weather (I don't know what the name for it is.) But then when the cold weather comes that's when you notice the power drop. the battery has become solphated.

    I will find out what the correct term is and I'll edit the thread soon.

  4. #4
    I've had time to write a better explanation now.

    Hope this is layed out batter for you lol.
  5. #5
    storing a battery on a floor is dangerous.

    ground tempature changes, more, and faster than air tempature.
    if your leaving it on a sub zero floor in a workshop / garage for 5 months over winter, then 3-10oc of another 3 months then 4 months in the summer where its 20+

    imo you shot yourself in the foot there. as you said the change to the heat does the damage.

    not being a cunt btw! but i work in a garage, and dont keep them on the ground for that reason!
    in winter my ground temp in on average -13 dropping to -20 at times!
    in the summer ive seen it hit the 30s
  6. #6
    Quote:
    Originally Posted by tonto_VTR View Post
    storing a battery on a floor is dangerous.

    ground tempature changes, more, and faster than air tempature.
    if your leaving it on a sub zero floor in a workshop / garage for 5 months over winter, then 3-10oc of another 3 months then 4 months in the summer where its 20+

    imo you shot yourself in the foot there. as you said the change to the heat does the damage.
    Lol, I'm not trying to win any medals

    Just help people out in understanding how batteries work.

    I think it's how I wrote it

    Yes it's heat that weakens the Battery but you won't notice it until the colder temperatures come along. But also, leaving it for ages without using it will discharge it.

    Sorry if I confused you, I;'m not very good at explaining things but I thought I'd give it a try lol. However I'm sure you know how they work
  7. #7
    Quote:
    Originally Posted by tonto_VTR View Post
    but i work in a garage, and dont keep them on the ground for that reason!
    in winter my ground temp in on average -13 dropping to -20 at times!
    in the summer ive seen it hit the 30s

    Ahh, sorry just read that again, yes long term isn't good as they'll get hot in the summer and cold in the winter. But I was talking about a week or something, People are always like Ben! You can't leave that battery on the Floor!!!

    The fact of the matter is, if you're storing a battery for a long time it'll loose its charge no matter what surface it's on... Lol... True?
  8. #8
    Quote:
    Originally Posted by Bikekid450 View Post
    Lol, I'm not trying to win any medals

    Just help people out in understanding how batteries work.

    I think it's how I wrote it

    Yes it's heat that weakens the Battery but you won't notice it until the colder temperatures come along. But also, leaving it for ages without using it will discharge it.

    Sorry if I confused you, I;'m not very good at explaining things but I thought I'd give it a try lol. However I'm sure you know how they work
    no mate, not trying to diss, its a good write up and will help many, im sure. so ill put a thanks up.
    but basically, its the change between the two temps that cause the damage, in room tempature, this isnt really an issue, but think of a wharehouse where batteries may get stored for months potentally years at a time.
    so the change of tempature, to an extent wont and will harm them.

    if i test a battery at work, and its under 14v i send it back to manafacture, as i dont know how long its been there or how its been stored. its better to be safe than sorry imo. some places will allow it to drop so around 11-12V and re-charge it. but with the turn over, they dont often drop from 14.4/3/2 so there isnt much to worry about tbh.
  9. #9
    Quote:
    Originally Posted by tonto_VTR View Post
    no mate, not trying to diss, its a good write up and will help many, im sure. so ill put a thanks up.
    but basically, its the change between the two temps that cause the damage, in room tempature, this isnt really an issue, but think of a wharehouse where batteries may get stored for months potentally years at a time.
    so the change of tempature, to an extent wont and will harm them.

    if i test a battery at work, and its under 14v i send it back to manafacture, as i dont know how long its been there or how its been stored. its better to be safe than sorry imo. some places will allow it to drop so around 11-12V and re-charge it. but with the turn over, they dont often drop from 14.4/3/2 so there isnt much to worry about tbh.
    Yeh, thanks

    I know you wasn't dissing I don't know everything lol
  10. #10
    Quote:
    Originally Posted by Bikekid450 View Post
    Yeh, thanks

    I know you wasn't dissing I don't know everything lol
    ive used all my thanks for the day, but ill do it when i get them back.
    1 user thanked this post:
  11. #11
    Quote:
    Originally Posted by tonto_VTR View Post
    ive used all my thanks for the day, but ill do it when i get them back.
    Thank You