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Author Topic:   Deep Cycle Battery
sport15er posted 08-20-2000 08:58 PM ET (US)   Profile for sport15er   Send Email to sport15er  
I've got a 3 yr old marine, deep cycle "Stowaway, by Johnson Controls" battery w/ 850 CCA., for my SS15, 60HP o/b. What is the typical life expectancy of these batteries? This one is about ready to be replaced. Are the Gel batteries a better choice for replacement?
And lastly, do most ppl bring their batteries indoors for the winter? (the boat will be garaged/unheated....)
Thanx!

Dick E posted 08-20-2000 09:57 PM ET (US)     Profile for Dick E  Send Email to Dick E     
Batteries if properly maintained should last 4-6 years. I have gotten a Gel Cell from West Marine has been 3 years and still very strong. For the money I would get Delco deep cycle Voyager. I do not think the gell cell is worth 2X the Delco price.
I bring mine indoors as I have room.
The key thing if storing outdoors do not let it set in a drained state.
andygere posted 08-21-2000 01:54 AM ET (US)     Profile for andygere  Send Email to andygere     
I have had great luck with Diehards in all my boats, Jeeps and cars. I just replaced the pair in my Montauk (came with the boat) that were 6 years old. They still held a charge, but would fade pretty quickly if left idle. For 69 bucks a piece, it's cheap insurance. I'm using combo deep cycle/starting for both. I don't run a lot of accessories or use an electric trolling motor, so I decided against getting one deep cycle and one starting.
Backlash posted 08-21-2000 08:42 AM ET (US)     Profile for Backlash  Send Email to Backlash     
I presently have 2 Delco Voyager Deep-Cycle Maintenance Free batteries in my boat that are five years old and still going strong. I ALWAYS store them in the basement during the winter and charge them every 45 - 60 days. I highly recommend a maintenance free battery, especially in a boat, as well as a deep-cycle. I have not tried the new gel batteries...probably because I could buy 2 Delco Voyagers for the price of one gel battery. I do think they are probably great for severe/extreme service conditions. A gel battery also requires a special battery charger.
dgp posted 08-21-2000 11:23 AM ET (US)     Profile for dgp  Send Email to dgp     
"Powerboat Reports" tested several sealed batteries in their August 2000 issue. They liked the Optima the best. Reprints are available. Don
bigz posted 08-21-2000 01:00 PM ET (US)     Profile for bigz    
Sport15er,

Probably andygere is the most economical solution Sears Marine are very good batteries and if anything goes haywire lots of Sears stores to get a replacement.

The Optima is super as Don mentions

We are using the Optima deep cycle marine as our house battery on the 27, this is not a gel but spiral wrapped battery which if needed can be installed on its side --- costly though about $170 -- they make a starting battery which runs about $150 --- However I opted for 2 Diehard Marine starter batteries one for each motor and they so far have been fine got them on sale --- chuckle could have bought 4 for what I paid for the Optima.

Tom

Backlash posted 08-21-2000 01:08 PM ET (US)     Profile for Backlash  Send Email to Backlash     
The advantage of a deep-cycle battery over a starter battery is that it is designed to be completely discharged and will recharge back to 100% capacity. A starter battery, if completely discharged, may not ever again reach it's 100% charge and may even be permanently ruined if totally discharged.
sport15er posted 08-21-2000 03:47 PM ET (US)     Profile for sport15er  Send Email to sport15er     
Thnx for all replies.
someone else suggested I use a car battery, since all I'm doing is starting the motor; I have no trolling motor, or other accessories, the only thing I would have on occasionally, would be my anchor/stern light burning while not motoring.
Any thoughts on this? I do want to buy the best for the boat.
bigz posted 08-21-2000 05:11 PM ET (US)     Profile for bigz    
You can't go wrong with a Sears marine combo battery much if any more than a car battery --- problem with car batteries the cells aren't designed to absorb the shocks like marine or heavy equipment batteries.That is the key difference.

In your SS15 you bounce around like a rubber ball you'll kill an auto batttery in short order --- Tom

sport15er posted 08-21-2000 09:11 PM ET (US)     Profile for sport15er  Send Email to sport15er     
I do tend to do some bouncing & get airborne occassionally...... Thnx for the info Tom
frank posted 08-23-2000 11:57 PM ET (US)     Profile for frank  Send Email to frank     
whatever type battery you choose storage is essential. i didn't know this last winter and stored my fully charged 1 year old diehard in my basement on a concrete floor. i went to an interstate batteries warehouse to replace it in the spring because it would not take a charge. i noticed every battery in the place (and there were thousands )was off the floor on wooden crates and i asked why.A worker said that a concrete floor actually will drain a charge from a battery. go figure>>>>> this winter i will store all my batteries in the cellar on wooden blocks.
jimh posted 08-24-2000 01:34 AM ET (US)     Profile for jimh  Send Email to jimh     
I always store the boat battery indoors in a heated room during winter layover.

I think that most rational, scientific minds have come to the conclusion that it is an URBAN LEGEND that storing a battery on concrete causes accelerated discharge.

I am, however, willing to entertain a lengthy discussion on this topic, as I have not had the pleasure of reading a complex thread of messages on this subject in quite a while.

--jimh

bigz posted 08-24-2000 05:17 AM ET (US)     Profile for bigz    
Just leave them in the battery box on the boat and unless it was already about to die it should be fine in the Spring! Tom
reeltime2 posted 08-24-2000 08:43 AM ET (US)     Profile for reeltime2  Send Email to reeltime2     
Jimh,
The enginers at GM belive very strongly that concrete can discharge a batt. Back in 93 I was a mechanic at a Chevrolet Dealeship and there was actualy a bulitan posted to all GM dealers on this subject. Apparently there was a problem w/ mechanics charging batterys when they were sevicing the electrical systems and were sending back batterys that were still good but what GM called improperly charged. Any way they always used a piece of wood under the batterys when placing them on concrete or metal tables. Im my opinion its better to be safe than sorry.
Rick
bigz posted 08-24-2000 09:11 AM ET (US)     Profile for bigz    
Fellows take a look see at these sites and your questions might be answered

this is a FAQ which even though auto related would apply to marine batteries as well ---
CAR BATTERY FREQUENTLY ASKED QUESTIONS 2.2
http://www.ee.ualberta.ca/~schmaus/batfaq.html#myth

this is a site that sells all kinds of battery maintenance products
Unique Battery Tutorial
http://www.4unique.com/battery/battery_tutorial.htm

frank posted 08-25-2000 12:36 AM ET (US)     Profile for frank  Send Email to frank     
i just read it. i guess i can tell the guys at the interstate warehouse that they can put those thousands of batteries right on the floor. p.s. but i'll still put mine on wood.

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