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#4601344 - 12/12/17 08:45 AM Marine Battery
4WD Offline

Registered: 09/21/10
Posts: 6526
Loc: Texas
So was getting some PM done on my shallow water skiff and during oil change found the motor would not crank.
This is the second battery to last 2 years and done - two brands and ~$140 DCDP. It is not practical for me to leave anything plugged in Ö (have a Perko switch) and I donít do anything that requires deep cycle Ö so would it make sense to only buy $75 cranking batteries and just plan on two years done?

#4601348 - 12/12/17 08:48 AM Re: Marine Battery [Re: 4WD]
JohnnyJohnson Offline

Registered: 10/22/09
Posts: 2876
Loc: Wet side WA
Living in Texas as some of my relatives do they all expect short battery life for everything they own its just a fact of living in Texas!
2004 Corolla 122446
Out: QSUD 5W-30 Purolator One 5030
In: VML 5w-30 TG4967 117530 2-8-18
2006 Duramax 74109
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18

#4601366 - 12/12/17 09:01 AM Re: Marine Battery [Re: 4WD]
mk378 Offline

Registered: 09/27/15
Posts: 1442
Loc: USA
I would agree use cheap batteries and expect a 2 year life. Getting in the habit to remove the battery from the boat when not in use and charge it in a cool place may extend life some. At least then when you go to use the boat you have a charged battery.

#4601375 - 12/12/17 09:04 AM Re: Marine Battery [Re: 4WD]
BalticBob Offline

Registered: 11/27/16
Posts: 395
Loc: Texas
I agree, the electrons in Texas don't seem to last as long as in the PNW.
Has something to do with being closer to the equator, the sun heating the
earth's crust as cooler air sinks, turbulence.

#4601388 - 12/12/17 09:11 AM Re: Marine Battery [Re: BalticBob]
4WD Offline

Registered: 09/21/10
Posts: 6526
Loc: Texas
Based on another post - N.C. is where a battery likes to live wink

#4601438 - 12/12/17 09:44 AM Re: Marine Battery [Re: 4WD]
Donald Offline

Registered: 03/21/04
Posts: 20547
Loc: Upstate NY
Get a deep cycle battery that has the CCA capacity you need. It will work fine as a starting battery.
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)

#4601462 - 12/12/17 10:05 AM Re: Marine Battery [Re: 4WD]
bubbatime Offline

Registered: 03/18/08
Posts: 5720
Loc: South Florida
I bet if you kept it on a trickle charger it would last 5 years.
17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
12 Suzuki S40 Rotella 15W40
10 Acura TSX 2.4 PZL Plat 5W30
06 GMC Sierra Nextgen 10W30

#4601592 - 12/12/17 12:25 PM Re: Marine Battery [Re: Donald]
4WD Offline

Registered: 09/21/10
Posts: 6526
Loc: Texas
It was DCDP ... I also have an 11/15 dated full blown DCRV Ö NEVER used and will not take a charge ...
Well, that one one is Excide Stowaway Ö go figure.
Conversely Ö have an Excide commercial (not marine) that has rode as a spare in the front end of my skiff since 5/13
(Itís a flat bottom tunnel and rides like HE double L)
That battery has never been charged and tests good almost to the peg.
So I just went and got a basic marine starting battery at Walmart Ö and marked the date on the end where I can see it

Thanks all Ö

#4601875 - 12/12/17 05:11 PM Re: Marine Battery [Re: Donald]
SilverSnake Online   content

Registered: 05/29/13
Posts: 607
Loc: Florida
Originally Posted By: Donald
Get a deep cycle battery that has the CCA capacity you need. It will work fine as a starting battery.

True statement and good advice. I had 4 deep cycle batteries in my Silverton Yacht (and no cranking batteries). 2 were for starting the engines. 1 was a house battery and the other started the generator. Not an issue for 5 years (then I sold the yacht).

Edited by SilverSnake (12/12/17 05:20 PM)
2016 Charger, 6.4L-485 HP (PUP 0W-40)
2017 BMW 330i, 2L-248 HP (BMW 0W-20)
2018 Jeep GC, 5.7L-360 HP (PUP 5W-20)
2008 20KW Generac (Amsoil 10W-30/30)