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Car Forum / Driving, Maintenance, Tuning / RVs / May 2005Are the 6 volt Golf Cart Batteries in Sams Club good for RVing ?
How would these compare with Sams Club 'RV Deep Cycle' labeled Batteries ? Thanks. >How would these compare with Sams Club 'RV Deep Cycle' labeled Batteries >? > >Thanks. Hi, The golf cart batteries are true deep cycle batteries, designed to supply heavy current. They have thicker heavier plates. The RV Deep Cycle batteries may or may not be true deep cycle batteries. If they are designed for starting they are not, usually if it lists a cranking capacity they are not true deep cycle. Most Deep Cycle Marine batteries for example are not true deep cycle batteries. These batteries are a compromise, not true deep cycle but not true starting batteries either. How you are going to use the RV matters about what batteries you select along with price. If you are going to be in RV campgrounds all of the time what type batteries you have doesn't really matter. Go with the cheapest ones. If you are going to be boon docking, not connected to electric not in RV parks hooked to electricity then go for the deep cycle golf cart as they will last longer. You shouldn't use car starting batteries at all, they will not last long and are not designed to take deep or frequent charge discharge cycles. You may find that the golf cart batteries are cheaper then the RV/Marine Deep Cycle ones too. You will need two 6 volt golf cart batteries. One or two RV Deep Cycle will work if you are going to be hooked up to electricity most of the time. See this site for more information. http://www.uuhome.de/william.darden/ Take care and Happy Campin... RichA "We Get Too Soon Olde and Too Late Smart" Thanks fellas for your help. Question : I currently have two coach batterys (Sams Club RV/Marine Deep Cycle each with 210 res. min . Soon, i plan to go on a fairly long Boondocking trip which may last up to one week ; ill be attaching my HitchHaul Platform with Box, to the back of the Camper/Van . Im thinking i could store two 6 volt Golf Cart Batterys inside the Box and run battery cables a few feet to the Coach Batterys which are 12 volt. Could you please tell me how to wire the two 6 volt Batterys to the existing Coach Batterys ? Thanks much. I see where HandsOfftheRV@webtv.net (RVing Is Alot Of Fun) contributed: >Could you please tell me how to wire the two 6 volt Batterys to the >existing Coach Batterys ? Thanks much. Think of a pair of 6v batteries as a 12v battery that comes in two pieces. Connect the + terminal of battery #1 to the load, and the - terminal to the + of battery #2. Then connect the - terminal of battery #2 to the chassis (ground) - in that order. If that's not perfectly clear, get some help from someone who already knows this stuff. Making the wrong connections can cause Large Problems. Will Sill The list of subjects I care about is shrinking steadily. Items missing from that list include but are not limited to: - The views of moronic and anti-American nut cases - Terminally boring and/or thoughtless commentaries. Will, Am i ok to mix the Golf Cart Batterys with the RV/Marine Batterys , if they are of different specs, etc..? I see where HandsOfftheRV@webtv.net (RVing Is Alot Of Fun) contributed: >Will, Am i ok to mix the Golf Cart Batterys with the RV/Marine Batterys >, if they are of different specs, etc..? I'm not sure how you'd propose to "mix" them, but I would be surprised if you'd be happy charging them in parallel with dissimilar battery(s). My guess: there would be a mismatch in charging characteristics. Without knowing the particulars of your setup, I'd suggest simply replacing 12 batteries with pairs of 6v golf car batteries. For example, I use 4 golf car batteries in a series/parallel combination, and no 12v batteries in the coach. (The 12v starting battery is separated, isolated via a relay. If you have not considered weight and space, be advise the GC batteries weigh maybe 65# each and are taller than auto batteries. Will Sill The list of subjects I care about is shrinking steadily. Items missing from that list include but are not limited to: - The views of moronic and anti-American nut cases - Terminally boring and/or thoughtless commentaries. I see where Will Sill <will@epix.anet> blundered and wrote, in part: >Without knowing the particulars of your setup, I'd suggest simply >replacing 12 batteries with pairs of 6v golf car batteries. Duh. One missing letter! That SHOULD read: >Without knowing the particulars of your setup, I'd suggest simply >replacing 12v batteries with pairs of 6v golf car batteries. Will Will Sill The list of subjects I care about is shrinking steadily. Items missing from that list include but are not limited to: - The views of moronic and anti-American nut cases - Terminally boring and/or thoughtless commentaries. >Thanks fellas for your help. > [quoted text clipped - 6 lines] >Could you please tell me how to wire the two 6 volt Batterys to the >existing Coach Batterys ? Thanks much. Hi, If you are going to do something like this you have to connect the two sets of batteries right away. Don't wait for one sets voltage to get real low then try and connect the other set to it. That could cause large current flows which could be a disaster if you are not careful. Go here to find out how to wire the batteries correctly. http://www.uuhome.de/william.darden/carfaq7.htm#wiring Look in section 7.3.2 You will have one set of 12 V batteries wired in parallel. The other set of 6 volt batteries will be wired in series. The 6 Volt batteries will be wired with the positive of one battery connected to the negative of the other. You then take the positive that is not connected and connect it to the positive of the 12 V batteries and the negative of the 6 volt battery that is not connected to the negative of the 12V. You end up with a 12V series parallel connection as shown on the web site. Take care and Happy Campin... RichA "We Get Too Soon Olde and Too Late Smart" > I currently have two coach batterys (Sams Club RV/Marine > Deep Cycle each with 210 res. min . Soon, i plan to go on a fairly long > Boondocking trip which may last up to one week In a motorhome? If yes, you will NOT be running the furnace, and the existing house battery is in top shape, you shouldn't NEED additional battery capacity. With careful use of lighting and the water pump, without running the furnace, my wife and I could go one week on just ONE of the TWO batteries you describe - if they are Group 27 or better and in GOOD shape/charge. If all else fails, fire-up the motorhome engine or generator for awhile and recharge the house battery. In any case, when connecting several batteries, the best performance and service is obtained if they are all of EXACT, or at least similar, age and specification. 6V golf car batteries probably deliver the biggest bang for your buck. However, properly installing and maintaining the beasts is another proposition entirely. Good luck! :) JR  Signature2000 Skamper Ultra 249 TT 2002 Chevrolet Silverado 2500HD Vortec 8100 - Allison 1000 'In a motorhome? If yes, you will NOT be running the furnace, and the existing house battery is in top shape, you shouldn't NEED additional battery capacity. With careful use of lighting and the water pump, without running the furnace, my wife and I could go one week on just ONE of the TWO batteries you describe - if they are Group 27 or better and in GOOD shape/charge.' Reply: Its a class b motorhome. The two 12 v. Batterys i have now are brand new and are the same specs. They are Group 27 and each is rated at 210 res. min. I thought id take along a couple of 6 v. Golf Cart Batterys also since they are so cheap ($45 each i believe, at Sams Club). I could store them on my HitchHaul in a Box. >'In a motorhome? >If yes, you will NOT be running the furnace, and the existing house [quoted text clipped - 9 lines] >Batterys also since they are so cheap ($45 each i believe, at Sams >Club). I could store them on my HitchHaul in a Box. Since the rating is in Res. min., it seems that you probably have starting batteries or a "Marine/deep cycle" battery. Starting batteries are designed for starting, they have many thin plates which are designed for a large rush of current for a very short time such as starting the engine. Deep cycling them will kill them in a short time. OTOH, true deep cycle batteries have thick plates which are designed to provide a small amount of current over a long time. These batteries are designed so that you can discharge them to as low as 20% and recharge without serious damage. Doing that to a starting battery will shorten its life considerably. Even on a deep cycle battery, the life will be longer if discharge is kept to 50% or less. Also, on any battery, proper charging will make a great difference. Read living on 12 volts at www.amplepower.com for a more complete explanation. George Ok..thanks George. Maybe what ill do on long Boondocking trips is to take along 6 volt batteries and use them , only. Then use my 12 v. Marine/Deep Cell Batterys otherwise. What is the correlation between the amount a battery is discharged , and, the resulting voltage it puts out ? Or...is it not linear ? Thanks, >Ok..thanks George. Maybe what ill do on long Boondocking trips is to >take along 6 volt batteries and use them , only. Then use my 12 v. [quoted text clipped - 4 lines] > >Thanks, It is definitely not linear. There are charts that provide that information and, I might add, it is the least accurate because the difference between a fully charged battery at 12.6V and a completely discharged battery is so small that a VERY accurate volt meter is needed. Other variations are the load placed on the battery at the time of reading the voltage. My equipment (Link 2000R) gives me a readout either in "amp hours remaining" or "percent remaining" and takes into account Peukert's equation, a very complicated formula for determining charge and discharge rates. I believe that www.amplepower .com has such a chart available. If not, there are other sites that do. I would google for battery information. George don't even bother talking anything scientific to dave..he's learned his "science" from those illustrated fundy comix books given away by Watchtower people. ...like how the Sun is powered by "Nitrogen Fusion" PS Dave has now morphed into RVing is Alot of fun > Ok..thanks George. Maybe what ill do on long Boondocking trips is to > take along 6 volt batteries and use them , only. Then use my 12 v. [quoted text clipped - 4 lines] > > Thanks, Someone pointed out this site before: http://www.batteryfaq.org Section 4.4 100% State of charge: 12.65 V 50% 12.24V Discharged: 11.89 V or less. A hydrometer is the best way (my opinion: only good way) to measure state of charge. > A hydrometer is the best way (my opinion: only good way) to measure state of > charge. While that may be basically true, I traded-in my hydrometer for a good, Fluke digital meter. (If it's accurate, it must be a FLUKE!) Messing around with a glass device, compensating for ambient temperature and hoping Jupiter aligns with Mars is WAY too much trouble. These are, after all, flooded lead-acid storage batteries for RV use. Keep the plates covered with distilled water and you're good to go. A couple (or even a few) hundredths of a volt probably don't mean much in real world application. Rocket science this ISN'T. :) JR Signature2000 Skamper Ultra 249 TT 2002 Chevrolet Silverado 2500HD Vortec 8100 - Allison 1000 I see where HandsOfftheRV@webtv.net (RVing Is Alot Of Fun) contributed: >How would these compare with Sams Club 'RV Deep Cycle' labeled Batteries All I can tell ya is that mine (Sam's golf car batteries) have worked fine for over 6 years. No doubt mostly because of the 3-stage charger that keeps them up without abusing them. Will Sill The list of subjects I care about is shrinking steadily. Items missing from that list include but are not limited to: - The views of moronic and anti-American nut cases - Terminally boring and/or thoughtless commentaries. Gee Dave hiding under ANOTHER webtv name? This child-molesting moron has used dozen of names to hide behind..mostly itisdave, daveinIllinois, daveinlakevilla, HVACfella, and many many others here is one post of his from inside the webtv firewall where he asked for help with "his problem" From: Daveinlllinois@webtv.net Group: alt.discuss.clubs.public.christian.gays Subject: im looking for a friend Date: Mon, Jan 26, 2004, 6:13pm (PST+2) Organization: WebTV Subscriber im a single male no children but did lose one to God many years ago im a christian but have recently found myself fighting with homesexual demons in my mind i am around children often and worry about my feelings for them too id like someone other than my minister to discuss this situation with. Dave |
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