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How long do boat batteries last?

Posted on 7/7/16 at 8:30 pm
Posted by GeauxTime9
Baton Rouge, La
Member since Dec 2010
6408 posts
Posted on 7/7/16 at 8:30 pm
I have a set that dates 12/12. Thinking that 4 years is probably going to be the max. How long until y'all generally have to replace them?
Posted by weadjust
Member since Aug 2012
15107 posts
Posted on 7/7/16 at 8:32 pm to
Usually a few days after the warranty expires
Posted by Palo Gaucho
Benton
Member since Jul 2013
3336 posts
Posted on 7/7/16 at 8:32 pm to
Trolling motor every 12-18 months. Cranking battery every 2-3 years
Posted by SeaPickle
Thibodaux
Member since May 2011
3133 posts
Posted on 7/7/16 at 8:36 pm to
I guess it would depend on care/maintenance performed and if it was a cranking or trolling and properly sized. A battery that was frequently run down and not charged after wouldn't make it 1-2 years IMO. Properly cared for I would say 4 is respectable
This post was edited on 7/7/16 at 8:37 pm
Posted by 007mag
Death Valley, Sec. 408
Member since Dec 2011
3873 posts
Posted on 7/7/16 at 8:39 pm to
When they won't take a charge anymore. If it ain't broke don't fix it.
Posted by Spankum
Miss-sippi
Member since Jan 2007
56040 posts
Posted on 7/7/16 at 8:40 pm to
mine generally start crapping out at around 4 years...really depends on how often you cycle them, though.
Posted by Chad504boy
4 posts
Member since Feb 2005
166319 posts
Posted on 7/7/16 at 8:43 pm to
11111 days
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 7/8/16 at 5:31 am to
I had Interstate Batteries last over 5 years.
Posted by Wtodd
Tampa, FL
Member since Oct 2013
67488 posts
Posted on 7/8/16 at 6:28 am to
Both of my batteries are 4 1/2 yrs old. I charge every time I go out. I do need to replace the trolling motor battery though; it's getting more & more difficult to charge.

Edit: both are Interstate
This post was edited on 7/8/16 at 8:37 am
Posted by tilco
Spanish Fort, AL
Member since Nov 2013
13480 posts
Posted on 7/8/16 at 7:03 am to
I get around 5 years out of my interstate cranking batteries. Keep a trickle charge on em.
Posted by Babewinkelman
Member since Jan 2015
1261 posts
Posted on 7/8/16 at 8:23 am to
Yellow optima running the trolling motor. That battery is over 8 years old!
Posted by rilesrick
Member since Mar 2015
6704 posts
Posted on 7/8/16 at 10:51 am to
Funny you should ask... I had a cranking battery from 2010 finally crap out yesterday after launching in Verret . Wal Mart her I come.
Posted by LSUchuck
Member since Dec 2004
1546 posts
Posted on 7/8/16 at 11:04 am to
Both my trolling and cranking batteries are over 6 years old and still kicking. I charge them regularly. That's the key.
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