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Car Forum / Driving, Maintenance, Tuning / RVs / July 2007another battery question - (sorry)
ok, you guys have got to be sick to death about battery questions but I've searched and can't find out the following. A lot of folks say that 2 6V in series is better than a 12V. But, if one 6V is listed as the Trojan T105 at 447 min of reserve capacity at 25 amps, does that then imply that two of 'em should be good for at least 800 min at 25 amps?!? -- Steve > ok, you guys have got to be sick to death about battery questions but > I've searched and can't find out the following. [quoted text clipped - 3 lines] > amps, does that then imply that two of 'em should be good for at least > 800 min at 25 amps?!? All you ever wanted, or didn't want to know, about batteries. http://www.batteryfaq.org/  SignatureFrank Tabor Q: What happens when four WASPs find themselves in the same room? A: A dinner party. Steve Calvin wrote: A lot of folks say that 2 6V in series is better than a 12V. But, if one 6V is listed as the Trojan T105 at 447 min of reserve capacity at 25 amps, does that then imply that two of 'em should be good for at least 800 min at 25 amps?!?<<<<<<< No, because you have to hook them in series to get 12 volts. Hooked in parallel they would produce the 25 amps for 800+ minutes, but only at 6 volts. SignatureJerryD(upstateNY) > Steve Calvin wrote: A lot of folks say that 2 6V in series is better than a > 12V. [quoted text clipped - 5 lines] > Hooked in parallel they would produce the 25 amps for 800+ minutes, but only > at 6 volts. ok, so it sounds like I'd be better off if capacity is my concern (which it is) with an 8D. Thanks. SignatureSteve >> Steve Calvin wrote: A lot of folks say that 2 6V in series is better >> than a 12V. [quoted text clipped - 9 lines] > ok, so it sounds like I'd be better off if capacity is my concern (which > it is) with an 8D. Thanks. What is the capacity of the 8d you are looking at? SignatureFrank Tabor Q: What do you say to a New Yorker with a job? A: Big Mac, fries and a Coke, please! > What is the capacity of the 8d you are looking at? The Trojan. 460 minutes of reserve @25 amps. SignatureSteve >> What is the capacity of the 8d you are looking at? >> > The Trojan. 460 minutes of reserve @25 amps. Is it more expensive than the two 6 volts? The 8d has the same capacity as the two 6 volt ones. SignatureFrank Tabor Life is a sh.t sandwich, and every day you get to take another bite. It's just that some days are TWO BITE days ... >>> What is the capacity of the 8d you are looking at? >>> >> The Trojan. 460 minutes of reserve @25 amps. > > Is it more expensive than the two 6 volts? The 8d has the same capacity > as the two 6 volt ones. If I can find 'em, the Trojan CBT125 6V is listed at 447 minutes at 25 amps, $162 each = $324 for two The CB8D-AGM is listed at 460 minutes for $508. I *think* what I'm hearing is that I'd have almost the same capacity with the 2-6V's for a couple of hundred dollars less? (sorry, not an electrical techie) The wiring would be something like: Trailer + Trailer - ^ ^ | | | | | | Battery 1 + Battery 1 - ---->Battery 2 + Battery 2 - SignatureSteve >>>> What is the capacity of the 8d you are looking at? >>>> [quoted text clipped - 20 lines] > | > Battery 1 + Battery 1 - ---->Battery 2 + Battery 2 - As far as the cost goes, yes, much cheaper. But go to Sam's Club or get someone to take you and get two golf cart batteries. They are rated almost as high as those Trojans for less than $100 apiece. As far as connecting, I can't read your drawing, but connect a lead from the Positive(+) of one battery to the Negative (-) of the second. Then connect the Trailer Positive to the open Positive battery terminal and the Trailer Negative to the open Negative terminal on the other battery. No terminal will have two wire on it. SignatureFrank Tabor optimist, n.: Someone who goes down to the marriage bureau to see if his license has expired. > As far as the cost goes, yes, much cheaper. But go to Sam's Club or get > someone to take you and get two golf cart batteries. They are rated [quoted text clipped - 5 lines] > the Trailer Negative to the open Negative terminal on the other battery. > No terminal will have two wire on it. Sorry, my drawing got skewed in transmission. Your description does say in english what my drawing showed. I don't belong to Sams Club, we're members at BJ's but I'll see if I can find someone who does. Thanks. SignatureSteve > >>>> What is the capacity of the 8d you are looking at? > [quoted text clipped - 38 lines] > > - Show quoted text - Isn't it $100 for the pair at Sams? I thought I paid about $50 each. I don't think they have gone up in price since I last looked. >> >>>> What is the capacity of the 8d you are looking at? >> [quoted text clipped - 41 lines] > Isn't it $100 for the pair at Sams? I thought I paid about $50 each. > I don't think they have gone up in price since I last looked. Last ones I bought were on sale for $69 apiece. As I told Will, they have gone up a bit. But I need to go to town today, I'll slip into Sam's and check. SignatureFrank Tabor tear leather: To become excited, as in the sentence "Robin Hood tore his leather jerkin' off." >>> >>>> What is the capacity of the 8d you are looking at? >>> [quoted text clipped - 45 lines] > have gone up a bit. But I need to go to town today, I'll slip into > Sam's and check. Everstart, (their brand), GC2, (Golf Cart 2), 220 amp hour for $61.48. SignatureFrank Tabor Q: What do you call a truck load of vibrators? A: Toys for twats. > The wiring would be something like: Trailer + Trailer - > ^ > ^ [quoted text clipped - 5 lines] > | > Battery 1 + Battery 1 - ---->Battery 2 + Battery 2 - Your diagram moved around in cyberspace but it looks like you had it right. Plus cable to plus side of battery 1 Short cable going from minus post of battery one to plus post of battery two. Cable from minus side of battery two to ground. SignatureJerryD(upstateNY) 'Frank Tabor Life is a sh.t sandwich, and every day you get to take another bite. ' REPLY: Frank, Theres a much better way of life philosophy than this ; when life is all centered around the Personal Almighty Creator , then purpose and meaning will follow. The very purpose of our existence in a personal Universe/Solar System/Earth... is to experience the Creator in a personal relationship. Hes made himself known , and now the ball is in our court. Just wanted to share that with you cause at one time, the 'sandwich philosophy' was mine too. Dave. > 'Frank Tabor > Life is a sh.t sandwich, and every day you get to take another bite. ' > > REPLY: Frank, Theres a much better way of life philosophy than > this Frank's not interested in gay male sex after church Dave. > when life is all centered around the Personal Almighty Creator > , then purpose and meaning will follow. You can tell that's bull simply by googling Dave in Lake Villa, Dave in Illinois, AdviceGiver4You, itisdave, MissMaryPoppins, and all the other trolling nicks used by this excuse for a human. > The very purpose of our > existence in a personal Universe/Solar System/Earth... is to > experience the Creator in a personal relationship. It appears Dave's rather good at experiencing relationships; but out of the few straight ones he had, one resulted in him forcing her to have an abortion before dumping her. : He's still trying to appease his own guilt feelings by trolling all the abortion groups with his condemnatory and offensive posts full of veiled twisted bitterness. > Hes made himself > known , and now the ball is in our court. Good old Mithras. A male Witch called Joshua (Latin=Jesus) tried to copy Mithras' example not that long afterwards too; the magick included. : Strangely he got a longlasting following whereas Mithras became pretty much forgotten after a few years even though he was the original architect. {Usually the balls are in your hand Dave.} > Just wanted to share that > with you cause at one time, the 'sandwich philosophy' was mine too. Now you've become the filling. Just wanted to share that with you to highlight what a hypocritical and disturbed person Dave really is. He feels so worthless that he has developed a need to "flagellate" himself by making himself an object of derision across the internet in pouring out his accumulated venom in his trollings and pumping religion down peoples' throats...Yes ; what you may be thinking is possibly correct too. "Dave in Lake Villa" <DaveInLakeVilla@webtv.net> wrote more of his crap in message > 'Frank Tabor > Life is a sh.t sandwich, and every day you get to take another bite. ' > > REPLY: Frank, Theres a much better way of life philosophy than this ; > when life is all centered around the Personal Almighty Crea.... OH sh.t "Here we go again" with Dimwitted Dumbfuck's religious proselyting. Can't you see the words RV in the group's title, or are you really that fuckin' blind AND stupid? Eat sh.t and die, troll It must be hell to wake up every day being you with this sort of attitude. No wonder you are as you appear to be. I love every day and try to take advantage of the gift God has given me. Dean >>-- >>Frank Tabor [quoted text clipped - 7 lines] > > Dean It's f.cking signature, created by Fortune and changes with every post, you f.cking idiot. If you don't like what you read here, by all means, feel free to f.ck off. SignatureFrank Tabor Your aims are high, and you are capable of much. > Steve Calvin wrote: A lot of folks say that 2 6V in series is better than a > 12V. [quoted text clipped - 5 lines] > Hooked in parallel they would produce the 25 amps for 800+ minutes, but only > at 6 volts. Generalizing, At 6V the discharge rate would be 6x25 = 150 W At 12V the discharge rate would be 12x25 = 300 W. And don't forget, for max battery life depth of discharge should be kept to about 50% max. Mickey If you loose one of your 6 v. batteries, then nothing is going to work in your coach. Go with at least one 12 v. deepcell agm type batteries and preferably two of the same capacity/specs. A 12 volt battery is simply 8 each of 1 1/2 volt cells hooked in series. Series connection: Voltages add, current is the same as the minimum current battery. Parallel connection: Currents add, voltage is the same or the voltage of the battery with the lowest potential. Switched connection: Voltage is added and so is current, however the power that can be delivered is 1/2 of V*I. JK > A 12 volt battery is simply 8 each of 1 1/2 volt cells hooked in series. > [quoted text clipped - 8 lines] > > JK That's funny, all my 12 volt batteries have 6-2volt cells. Where did you you get 8 cell batteries? SignatureFrank Tabor f.ck off and die! >> A 12 volt battery is simply 8 each of 1 1/2 volt cells hooked in series. >> [quoted text clipped - 11 lines] > That's funny, all my 12 volt batteries have 6-2volt cells. Where did you > you get 8 cell batteries? Frank, you're absolutely correct for lead acid batteries. I was mistakenly thinking of dry cell batteries. Good catch there Franko. Someone is one the ball! Jonathan King Lick my a.shole until it bleeds! |
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