Optima battery

[Pikey Dave]

Originally Posted by jambo

Sorry Dave that's what I do. I have a DS Wilson 85 ah for the pump and a Numax 110 ah 900 cca fir starting
Which has always been ok. It just I've herd the Erc needs a big bat but I think mine is big enough as it used to start a V6 te stroke 150ho

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In that case, keep it as it is & see how it goes, don't shell out unless it doesn't work.

[jambo]

Originally Posted by Pikey Dave

In that case, keep it as it is & see how it goes, don't shell out unless it doesn't work.

That's what I was thinking because the dealer was up on Saturday at the Ob and I asked him and he said he found no trouble as the battery turned the Ob first time and that's what I have found. Suppose I was just worrying that I did not have enough grunt to turn. Cheers


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[Jeff]

HI Jambo
I presume you were referring to info like this ? I got this from a US site BBC Boards - very useful for all things Merc & Optimax ( obviously lots of these listed are US only but a good guide

"BATTERIES THAT MEET THE REQUIREMENT"- Updated 3/15
This data was provided by Mercury Marine's R&D Department.

Although these batteries were tested for use with the Verado Engines, their superior Reserve Capacity Ratings would make them an EXCELLENT choice for Optimax or EFI engines used in a Bass Application!

The batteries listed are ALL AGM (Advanced Glass Mat) batteries, and were required to meet at least one of the following ratings:

-1000 MCA
-800 CCA
-180ah*, or meet the 135-RC 25 Capacity Rating.

*For Optimax models, this rating would be 105ah (and this rating is SELDOM used in the US- recommend using CCA Ratings).

Batteries were tested to ensure that they "met" their advertised capacities also.

All of the batteries listed are heavy- and they are not cheap. However... if you want something you can depend on... a wise investment!

----------------------------------------------------------------------------------------------
(Testing and information courtesy of Mercury Marine Research & Development)

-Odyssey PC1500, PC1700, PC2150 and PC2250.
-Optima Group 31
-West Marine Sea Volt Group 31 AGM (Edited due to change in capacity of Grp 27).
-Cabela's ** (REMOVED as new-updated specifications indicate they do not meet requirements- See notes below- did not meet advertised Capacity Ratings).
-Trolling Thunder TT1175 and TT1370.
-Excide Megacycle (Mercury Brand) MC-31 and XMC-31.
-Sears Die Hard Platinum 34M (PM-2) and 31M (PM-1).
-Deka Sea Mate/Intimidator 8A31DTM.

** During initial testing, these batteries do not meet their advertised cranking ratings. Later published ratings support this (they do not meet the requirements).

I went for one of these - Odyssey 31-PC2150 AGM Battery
Griffin Batteries Car Batteries - Bike Batteries and much more - Griffin Battery Centres

Jeff

Oh - see you are sorted now

[jambo]

Thanks Jeff appreciated


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[Jeff]

Jambo - This is my favourite source of info,,,, apart from Ribnet of course !!

BBC Boards

[dougcrock]

Checked my receipts bought 2 in 2000 still going strong.
they deal with vibration better than normal batts

[jambo]

[QUOTE=Jeff;680916]Jambo - This is my favourite source of info,,,, apart from Ribnet of course !!

BBC Boards

tghanks Jeff

[jambo]

Originally Posted by dougcrock

Checked my receipts bought 2 in 2000 still going strong.
they deal with vibration better than normal batts

Hi Doug hope you have recovered!!?
I am still up here wx absolutely hellish!!

Please advise what size of Optima you have.
cheers J

[jyasaki]

Originally Posted by Pikey Dave

They are sealed, jky is on about sticking them on charge for a while.

Exactly what I was saying. Thanks, Dave. I was out of town for a bit.

jky

[jambo]

Originally Posted by jyasaki

Exactly what I was saying. Thanks, Dave. I was out of town for a bit.



jky

Yes but just wanted to be sure


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[Rokraider]

I used to use Optima batteries on the off-road vehicles we prepare, but the quality seems to have dropped off in recent years and if they are allowed to drain fully, they seldom recover. I now use Odyssey Batteries, which is standard equipment on a lot of military applications. They are not cheap but do the business. Odysseybatteriesonline - Home
I am running 2 x PC2150MJS | ELA02150MJS on the Pacific that have to spin the Ford sabre 250 6 cylinder turbo diesel over in the coldest weather sometimes, and being an old school diesel with no glow plugs, it can take a lot of cranking before it goes. These batteries haven't missed a beat so far.

[mick]

Originally Posted by Rokraider

I used to use Optima batteries on the off-road vehicles we prepare, but the quality seems to have dropped off in recent years and if they are allowed to drain fully, they seldom recover. I now use Odyssey Batteries, which is standard equipment on a lot of military applications. They are not cheap but do the business. Odysseybatteriesonline - Home

I am running 2 x PC2150MJS | ELA02150MJS on the Pacific that have to spin the Ford sabre 250 6 cylinder turbo diesel over in the coldest weather sometimes, and being an old school diesel with no glow plugs, it can take a lot of cranking before it goes. These batteries haven't missed a beat so far.

I've heard the same about Optima standards seem to have dropped

[Pikey Dave]

Originally Posted by mick

I've heard the same about Optima standards seem to have dropped

I looked into Odysseys, but the marine versions aren't available here & when I spoke to Odyssey they wouldn't guarantee the road vehicle versions for boat use due to the vibration.

[Rokraider]

I suspect it is the same old story. new product emerges and great effort is made to make it as good as possible. Once a market is established, it then becomes how can we cut corners to earn more dollars. 20 odd years ago, Optima were king of the hill and I had a couple I used for winching for probably 8 years with no dramas.Their replacements probably lasted for 4 years. They seem to cope ok with big discharges and fast charging in short periods, but don't like a slow drain or being allowed to go flat.

[mick]

Originally Posted by Pikey Dave

I looked into Odysseys, but the marine versions aren't available here & when I spoke to Odyssey they wouldn't guarantee the road vehicle versions for boat use due to the vibration.

Duno about vibrations at sea but with the roads as shi!! As they are these days they get plenty of stick

[CMarine]

I run a fleet of 11 ribs and two dories. I only use these batteries now. my engines are 15hp 50hp 70hp and 115hp. since the change to these i have never had to remove a battery for charge. a cold winters morning is not a worry any more. they are worth the extra money if you can. i use to carry six spare std batteries now i carry one and thats only for visiting ribs to jump start....... Shop round as many car motor factors can get these easily and a lot cheaper then chandleries.