Batteries

OllieC

Well-Known Member
SILVER Sponsor
Mar 11, 2013
6,690
N.W. ‘Sconnie
Boat Info
Sara Belle
2005 Weekender 215
Engines
Mercruiser 5.0 mpi, Bravo III
CSR,

Good morning for those on CT.

I have a relatively simple question. Besides being dead in the water, how can I check the load on my batteries - or what remaining life they have? My guess is to just take them back to Interstate and have them tell me?

I purchased their PRO ECL line (group 29s) back in 2013. We only boat about 3-4 months a year, and then the rest of the Fall and Winter I have them on trickle chargers. The PRO ECLs where supposedly a step up from their standard lead batts, but not AGMs, & now they've discontinued them. My next jump would be to AGM group 31's.

Thanks,
Ollie
 
Are you stored at a marina? If so I bet they have a tester. If not, take 'em to any auto parts store. They should all test batteries for free. At least the do around these parts.

Just curious - why are you intending to spend the coin on AGMs?
 
Are you stored at a marina? If so I bet they have a tester. If not, take 'em to any auto parts store. They should all test batteries for free. At least the do around these parts.

Just curious - why are you intending to spend the coin on AGMs?

Longevity, maybe? We like to anchor and have plenty of power for the entertainment system.
I know I don’t run accessories like the larger boats, but I’m not keen on being stuck somewhere because of batteries.
 
Yes, I have a spot at our local marina.

The reason I was thinking is “longevity”, maybe? We like to anchor and have plenty of power for the entertainment system.
I know I don’t run accessories like the larger boats, but I’m not keen on being stuck somewhere because of batteries.
 
Battery Load Tester.
NWMDC
 
Longevity, maybe? We like to anchor and have plenty of power for the entertainment system.
I know I don’t run accessories like the larger boats, but I’m not keen on being stuck somewhere because of batteries.

Gotcha. Aside from the choice in batteries maybe consider one of those "jump packs" if you're ever concerned about draining the battery with a long day of tunes. Far cheaper than AGM's :)
 
5 0r 6 years is not bad for batteries that have been "sitting" most of there life.

Will group 31 fit in the space the 29's were in ??
 

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