mowermech
Billings, MT
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Joined: 06/28/2003
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I used to use a Trojan T-105 golf cart battery in my 1951 Ford pickup. It worked great, and only cost $10 from the plant where I worked (scrap price). They changed the batteries in sets, and there was always a couple of good ones in the set. Anyway, that golf cart battery spun that old flathead V8 over much better than any "normal" 6 volt battery, even (especially) in sub-zero temperatures.
CM1, USN (RET)
2002 Fleetwood Southwind 32V, Ford V10
Toad: 2006 Jeep Rubicon LJ
Other toad: '06 PT Cruiser, Kar Kaddy dolly
Toy: 1977 Dodge W100 CC SWB, 3/4 ton axles & springs
"When seconds count, help is only minutes away!"
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bluebirdPT36
NE Tn
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Joined: 11/16/2011
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another poster mentioned grp31 batteries. For dedicated start batteries, I 2nd this if they will fit.
I am fortunate to live near a deka distributor that sells blem 31's for $49
My old bus has six golf cart true deep cycle bats that serve as both house and start batteries.
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2oldman
Winchester WA
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Joined: 04/15/2001
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2112 wrote:Hey 2oldman, is that Moses Lake located in Texas? no
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lfeather
Titusville, FL
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Joined: 08/03/2001
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Does your starting battery charge when you are plugged into shore power? If not, perhaps it came that way from the factory. You can add a system like an Echo Charger (or equivelant) to allow the starting battery to charge while plugged into shore power.
Larry, Debbie, Tiki and Tomi
USAF Retired
2003 36' Country Coach Allure #30856
2008 Tacoma Towed
SMI Air Force One toad brake
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2112
Texas
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Joined: 07/16/2011
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2oldman wrote:2112 wrote:Hey 2oldman, is that Moses Lake located in Texas? no Must be that other one a little NW from here.
2011 Ford F-150 EcoBoost SuperCab, Timbrens, PullRite SuperGlide 2700 15K
2013 KZ Durango 1500 2857
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wa_desert_rat
Central Washington State
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2112 wrote:2oldman wrote:2112 wrote:Hey 2oldman, is that Moses Lake located in Texas? no Must be that other one a little NW from here.
It's exactly 27 feet east of me. 
Craig
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2112
Texas
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Joined: 07/16/2011
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My Moses Lake is 2,347 miles from yours. Like I said, a little NW from here
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dougmac
Washington State
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Joined: 10/14/2003
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Cranking batteries use more plates that are thinner and have less dense material to provide the burst of power for cranking an engine. The thinner plates, increased plate area and less dense material allows the chemical reaction to occur quickly. As a general rule because of the thinner less dense plates, high cranking batteries are less durable.
Deep-cycle are designed to supply a small current load over a long period of time. Because of this the chemical reaction can occur more slowly. So a deep cycle battery can have less plates that are thicker and more dense because they do not need to provide cranking power. Deep cycling any battery causes the break down of plate material over time. The thicker more dense plates in a deep cycle battery are more resistant to breakdown from deep cycling. They are very durable but the trade off is they don't perform well as cranking batteries.
Marine deep cycle are not a really a “deep-cycle” battery because they are designed to provide both deep-cycle performance and cranking performance for the boat motor. They are between a deep-cycle and cranking battery and are a compromise designed. If you can sacrifice cranking power these will generally be more durable than a high cranking amp battery.
The biggest demand for cranking is during cold temperatures. If you live in a more mild temperature where you don't have a lot of cold temperature cranking demand, the marine deep cycle should give you longer life. If you have to start the thing when it is very cold, you should look to a battery with higher cranking amps.
Also... if you want your batteries to last a long time, as much as possible, keep them at a full state of charge. This is key no matter what type it is. So you might also want to spend some time finding the source of your battery drain.
* This post was
edited 06/22/12 07:02pm by dougmac *
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pianotuna
Regina, SK, Canada
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Joined: 12/18/2004
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Hi dougmac,
Nice write up--but one sort of misleading item. Every cycle on all lead acid batteries causes shedding of the positive plate. There is no way to stop this from happening with a lead plate--hence some very high end batteries are now using a carbon positive.
The "plates" are not really that at all--but rather a paste that is applied to an underlying grid leaving a "metal sponge" type of surface.
Regards, Don
Kustom Koach Class C 28'5" 256 watts Unisolar, 875 amp hours in two battery banks 12 volt batteries, 2500 MSW watt inverter.
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dougmac
Washington State
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pianotuna wrote:Hi dougmac,
Nice write up--but one sort of misleading item. Every cycle on all lead acid batteries causes shedding of the positive plate. There is no way to stop this from happening with a lead plate--hence some very high end batteries are now using a carbon positive.
The "plates" are not really that at all--but rather a paste that is applied to an underlying grid leaving a "metal sponge" type of surface.
Yes indeed .... cycling is death to batteries! That's how we kill them in transit buses. Sulfation from leaving them at a low state of charge is the other sure fire way to kill'em!
I am interested in the carbon plates.... do you have a website that has information on them?
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