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Author Topic:   Battery Life
Ferdinando posted 08-02-2001 11:32 PM ET (US)   Profile for Ferdinando   Send Email to Ferdinando  
Guys:

Question, what would be the average life of a marine battery, with norma1 electronics, VHF, CD & DF. I have a Delco Voyeger on my Montauk and it's going on 4 yrs, I took the battery to the dealer today and it checked
out perfect. I do have a trickle charger on
it all the time. I just don't want to get stuck if it should just die out on me at the worst possible time ?????? Thks, Fred

LarrySherman posted 08-02-2001 11:40 PM ET (US)     Profile for LarrySherman  Send Email to LarrySherman     
I can only really recomned it for larger, dual battery configs, but the Heart Interface Link 10 is the BOMB of battery monitors.

Does:

Intant Volatge
5 min Avg Voltage
Amps in
Amps out
Instant Amps
5 min Avg Amps
Percent charge (you program total AH of battery bank)
Has LED to indicate charge as well. IT is Very nice.

$200 at a store near you....

compounder posted 08-03-2001 10:19 AM ET (US)     Profile for compounder  Send Email to compounder     
Fred I have a dual battery installation with switch on my Montauk and highly recommend it. This pretty much does away with 99% of your battery worries. Highly unlikely that two batteries are going to fail at once and you can switch back and forth at the turn of a control knob.

This has allowed me to use batteries until they literally fail, therefore getting the maximum useful life out of them.

Also, I have been using AutoZone's least expensive automotive batteries in my Montauk. I have a set of adapters that attach to the posts so that marine cables attach normally. Everyone will tell you that so-called "marine" batteries are made better to withstand vibrations and so forth, but I've come to the conclusion that this is marketing hype. I bought a pair of the cheap ones approx. 5 years ago, had one replaced in 3 months(fully warranted), and they are still going strong. Actually, I wouldn't recommend a $29 battery on a single installation, but when you have dual batteries, it makes much more sense.

Dick posted 08-03-2001 03:41 PM ET (US)     Profile for Dick  Send Email to Dick     
Fred
Tempo makes a very handy portable battery meter. It registers the % of charge left on the battery. Not rocket science but works good to check the batteries prior to a trip.
Tempos part # is 280420 (BIG12) and lists for $18.89.
Dick
ValkariaKid posted 08-03-2001 11:21 PM ET (US)     Profile for ValkariaKid  Send Email to ValkariaKid     
Hey Compounder-

Where/how did you mount 2 batteries in your Montauk? In the console? Don't they take up alot of space?
I have a '79 Montauk that I'm restoring, and I was thinking about a dual setup. Being that the console is on my workbench this would be the most opportune time to do a conversion if I decide to.

Thanks!

-Paul

compounder posted 08-03-2001 11:26 PM ET (US)     Profile for compounder  Send Email to compounder     
Hi Paul,
My Montauk was originally equipped with one battery installed on the deck in the starboard aft area. I later had one installed directly across from it on the port side. The battery switch is mounted on the front of the splash well.

I realize that the newer boats have the batteries in the console......better for weight distribution......worse for access.

The space my batteries now occupy is space that I would not otherwise utilize.

Joe

Ferdinando posted 08-04-2001 08:50 AM ET (US)     Profile for Ferdinando  Send Email to Ferdinando     
Guys:

Thanks for all your input. Funny thing happened the day after I wrote my question.
I put a meter on my boat battery and it measured 12.7 volts. I then went to my SUV
to make a comparison test and it also measured 12.7 volts (Delco also). I went to start it up an hr later and the bat just died, had to replace it with a new one....
I had purchased both batteries together,
boat & car..........Thks again, Fred

Dick E posted 08-04-2001 04:55 PM ET (US)     Profile for Dick E  Send Email to Dick E     
Most batteries average life about 4 years.
I like Delco too . Mine 3 years too and it's going strong. On Delco some friends our 5 years going strong.
I bought a Jump starter/Battery unit.
The are normally about$60 dollars, but Sears had on sale for $35. It weighs about 15lbs. I leave it on the boat and once every 6 weeks I take it home and recharge it.

Good insurance no second battery to buy & install,no switches,isolators etc.
I think it is a simpler solution and gives me a piece of mine.
Dick E

compounder posted 08-04-2001 08:58 PM ET (US)     Profile for compounder  Send Email to compounder     
Hey Dick E.....make that "peace of mind."
Dan posted 08-06-2001 12:31 PM ET (US)     Profile for Dan  Send Email to Dan     
When I owned a Montauk, I mounted both bats inside the console, near the front access door, one port, one starboard. Due to the heavy weight of the batteries I reinforced the flooring of the console with four aluminum "L" brackets.
andygere posted 08-06-2001 02:49 PM ET (US)     Profile for andygere  Send Email to andygere     
I have dual batteries mounted in the stern of my Montauk, under a teak bench/casting platform. I made some teak cleats to hold them in place after breaking a few plastic footman loops. The Perko switch is mounted on the outside of the splash well. I have been a big fan of DieHards for a long time, having used them in my beach buggies with great results for years. I'm using the marine deepcycle/starting combo type, purchased on sale at Sears for about $55 each.
andygere posted 08-06-2001 02:51 PM ET (US)     Profile for andygere  Send Email to andygere     
Forgot to add: They replaced a pair of DieHards installed by the previous owner that were still working but fading fast. They were 6 years old according to the date stamp sticker on the side.
Bigshot posted 08-06-2001 03:53 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
K-Fart! AC Delco marine cranking for $39.95.
whalernut posted 08-07-2001 09:14 PM ET (US)     Profile for whalernut  Send Email to whalernut     
I use one AC Delco Marine 27 Series battery that I bought at K-Mart($59.99) and am impressed at the cranking power of this battery, maybee because it is overkill on an 85h.p. Johnson since the original was a 24 Series. Regards-Jack Graner.
Kim posted 08-12-2001 06:04 PM ET (US)     Profile for Kim  Send Email to Kim     
a little OT here ; I hate to check the battery water in my montauk (two grup 24) in the console so I bought a battery filler from napa auto parts store this week. I think you guys know what they look like you put distilled water in it then you can fill the batres with out spilling water. just put in the water holes and push down it fills the battery to the right amount of water then stops to avoid over filling. cost about 18 bucks.
dose any else use one of these? they work great!
triblet posted 08-13-2001 01:10 AM ET (US)     Profile for triblet  Send Email to triblet     
I use a test tube cleaning bottle. It's a
1-liter platic bottle with a tube coming out.
Squeeze the bottle, water comes out the tube.
I can top up the battery in the console.
It's a pain, but less of a pain than pulling
the battery out.

Be careful with the automatic fillers. Many
years ago in my sports car days, a buddy of
mine did a number on the paint on his 240Z
by dripping acid off the end of the filler
on to the paint as he removed it.

Chuck

compounder posted 08-13-2001 09:54 AM ET (US)     Profile for compounder  Send Email to compounder     
Another battery item that I would highly recommend are KevLok battery box tie-down straps. These were original equipment on the classic Whalers along with the tan boxes. They have an over-center type locking arrangement which is easy and convenient to use. Also they have a LIFETIME warranty. They have all SS hardware and come with SS footman loops. Go to www.agmcontainer.com/marine_index.htm

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