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Jan 23rd, 2013
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bad gut feeliing about my boat batteries... #12729737
04/25/18 04:36 AM
04/25/18 04:36 AM
Joined: Aug 2009
Posts: 1,682
Van Alstyne
timbertoes Offline OP
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timbertoes  Offline OP
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Posts: 1,682
Van Alstyne
Having let the boat sit for over a year+ ..
When I charge the batts using the onboard charger, even after getting a green led then three, four days later, start charging again, almost full bank of red leds, takes all night to go green again.

Interstate batteries, 4 years old.

Motor starts fine, spins fast. still.. kinds tough to spend another 200 on batteries dang it.
But with a trip planned, better safe than sorry?
anyone seen this charging behavior ? I have to admit I kinda know its not right.

Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12729789
04/25/18 10:47 AM
04/25/18 10:47 AM
Joined: Aug 2009
Posts: 2,230
Arlington TX
D
dimitri Offline
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dimitri  Offline
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Joined: Aug 2009
Posts: 2,230
Arlington TX
try topping them off with a standard charger, then let them sit overnight , then hook the onboard charger to them and see if anything changes. i would also top off the water in them after using the standard charger.

btw i’m no expert on batteries but in 9 years of boat ownership i have had pretty good LUCK with batteries. now catching fish is another story......

Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12729816
04/25/18 11:44 AM
04/25/18 11:44 AM
Joined: Aug 2003
Posts: 235
Spring Branch, TX USA
C
CADD Offline
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CADD  Offline
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Joined: Aug 2003
Posts: 235
Spring Branch, TX USA
I wouldn't expect them to be good, about 3 to 4 year's is it for an average batter and letting them sit is hard on them.

My thoughts are buy fresh batteries at the store, by as ”cheap" as you can and replace often... 3 to 4 year's


2001 Pathfinder 2200V 150Vmax HDPI
2015 Diablo Amigo (Sand Fleck)

Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12729817
04/25/18 11:45 AM
04/25/18 11:45 AM
Joined: Aug 2011
Posts: 2,837
Austin, Tx
B
Bob Landry Offline
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Bob Landry  Offline
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Austin, Tx
Go to Harbor Freight and pick up a resistive load tester for around $12. Charge your batteries for 24 hours, let rest for 24 hours, then load test. If the needle doesn't stay in the green, you have a bad battery, probably a weak cell drawing down the others.
You can do better than Interstate batteries.


2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
2018 Robalo R180 CC, Yamaha 115

Bitter Gun Owner
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Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12731431
04/26/18 11:46 AM
04/26/18 11:46 AM
Joined: Jun 2008
Posts: 2,730
The Great State of Texas
H
Hog Jaw Offline
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Hog Jaw  Offline
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Posts: 2,730
The Great State of Texas
New Battery time

Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12731820
04/26/18 03:10 PM
04/26/18 03:10 PM
Joined: Nov 2007
Posts: 3,543
scotland tx
ssmith Online content
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ssmith  Online Content
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Joined: Nov 2007
Posts: 3,543
scotland tx
there is a reason most marine batteries have a 1 yr warranty

Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12732660
04/27/18 02:08 AM
04/27/18 02:08 AM
Joined: Oct 2012
Posts: 1,354
bayou vista,tx
S
smooth move Offline
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bayou vista,tx
how's the water level in the batteries? dry cell will make the battery not charge.


es le bon ton roulet
Re: bad gut feeliing about my boat batteries... [Re: Hog Jaw] #12733792
04/27/18 10:50 PM
04/27/18 10:50 PM
Joined: Mar 2011
Posts: 5,798
Ray Roberts
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Ray Roberts
Originally Posted By: Hog Jaw
New Battery time

Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12734360
04/28/18 03:19 PM
04/28/18 03:19 PM
Joined: Jan 2003
Posts: 3,729
The Woodlands Texas
texcajun Offline
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The Woodlands Texas
For what it's worth, I manage to get pretty good use out of my batteries after following advice I got here on TFF years ago.

Like most of you I have an on-board charger, but rather than plugging it straight into a wall outlet, I have it plugged into a garden timer that only comes on for 1.5 hours each day. I was eating through batteries pretty quickly even when they were connected to a nice Dual Pro charger that supposedly dropped the charge to nil when the batteries were topped off. I got 6 years out of my last set of Interstate greenies using the 1.5 hour a day charge cycle time.


2002 Scandy White, 2002 Yamaha 90
Point me towards the water!
Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12736582
04/30/18 04:17 PM
04/30/18 04:17 PM
Joined: Aug 2009
Posts: 1,682
Van Alstyne
timbertoes Offline OP
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timbertoes  Offline OP
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Van Alstyne
thanks for replies!
Battery's held up fine thus weekend... but I am pretty sure carbs are needed some love.. would bog and quit trying to hit 2500-3K rpm.
Changed fuel line, its fresh gas, but I suppose there is too much internal build up of gunk.
I have zero boat fixing money too, lol.

Last edited by timbertoes; 04/30/18 04:18 PM.
Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12744143
05/05/18 12:24 PM
05/05/18 12:24 PM
Joined: Aug 2009
Posts: 2,230
Arlington TX
D
dimitri Offline
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Posts: 2,230
Arlington TX
get a small gas can and dump a can of seafoam in a gallon of gas and hook the fuel line directly to the can. run on muffs. could possibly help and won’t hurt any worse than it is.

fyi: add oil to gas too if you premix

Re: bad gut feeliing about my boat batteries... [Re: timbertoes] #12744216
05/05/18 02:15 PM
05/05/18 02:15 PM
Joined: Aug 2002
Posts: 14,479
Fruitvale, Texas
T
Trebor Neil Online content
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Trebor Neil  Online Content
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Posts: 14,479
Fruitvale, Texas
SEA FOAM!!!

STABIL!!!

Last edited by Trebor Neil; 05/05/18 02:16 PM.

You bettcha!

oofta!
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