How long does a deep cycle battery last?

[p729lws]

I have a couple Optima blue top dual purpose batteries that I've been using for about 2.5 years on a 24 volt trolling motor. I probably run the motor a couple hours a week on average. When not in use they stay on a pretty good charger / tender. I have not noticed any decrease in performance.

Should I be thinking about replacing these as a precaution or are they likely to live a few more years?

Thanks,
Dan

[Last Real Texan]

2 seasons is all I can get on Optimas...

Tex

[mrfixxall]

I have a couple Optima blue top dual purpose batteries that I've been using for about 2.5 years on a 24 volt trolling motor. I probably run the motor a couple hours a week on average. When not in use they stay on a pretty good charger / tender. I have not noticed any decrease in performance.
Should I be thinking about replacing these as a precaution or are they likely to live a few more years?
Thanks,
Dan

we dont have trolling motors on our boats!,,But to answer your question,i have 9yrs on mine (interstate batterys) and never been on a tender and i leave them in the boat even in the winter months.

[Cuda]

I just got seven years out of my starting battery. It would probably still be working if I hadn't left the key on for over a year.

Btw, it fired right up on 2+ year old gas.

[BlownCrewCab]

The proper way to charge an Optima is.. at least 100amps for 15 minutes, let battery and charger cool for 15 min, then at least 100amps for 15 minutes-let battery and charger cool for 15 min...Repeat (4) Four times, then charge 2-10 amps for 24hrs minimum... Theres a link to Batteriesrus that explains it in great detail, I'll find it and put it up....

[BlownCrewCab]

http://www.batteriesareus.com/index.php?main_page=product_info&cPath=46&products_id=157&zenid=8ecb9828daa25d2584b14e0e6fad4485


I don't know how to compress the link so you'll just have to use the whole thing...But you'll know how to charge and care for batteries when your done....

[show-n-go h2o]

I have the same batteries in my boat, they have never been on a tender and have not failed me. They have been in there since late 2003.

[p729lws]

Thanks for the info guys. I think I'll run them a few more years:crossfing:

Dan