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Old 09 June 2015, 14:57   #31
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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.
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Old 09 June 2015, 15:19   #32
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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
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Old 09 June 2015, 15:51   #33
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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.
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Old 09 June 2015, 15:56   #34
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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.
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Old 09 June 2015, 16:08   #35
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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
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Old 17 July 2015, 16:47   #36
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Optima batteries

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.
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