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Optima's - What size?

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vtrdaz:
In the near future , i'm planning on fitting a split charge setup to run a fridge.
I was thinking about fitting optima's  - a yellow top for the fridge etc and a new red top starter but i'm not sure which size i'll need - i believe they are 3.2l, 4.2l and 5.2l.

Anybody shed any light on this for me?

Or are there cheaper batteries that are as good as optima's?

Cheers
Darren

smo:
Dont buy optimas, they are silly money, i had some and wasnt overly impressed.

Consider Exxide and many of the other sealed gel type alternatives and save a big wad of cash.

isle of man:
optima are "tat" and the warranty sucks, i will not buy another after three failures in as many years.




peter henry

mmgemini:
I use a split charge set-upto run my fridge and other lights when camping.

The vehicle battery is a standard battery. After three years not a problem.

The auxilary battery is an Elecsol. These are old technology boat batteries. You can also buy them at certain caravan shops. Mine is a 90/110 amp thing, huge it is. I did have to modify the battery box to fit it??

My split charger relay is a 15 quid one that's so old I can't remember where or when I got it.

You don't say what vehicle you have. I guess a Defender. SO...
I also fitted a Discovery 100amp alternator as the standard alternator only just ran the fridge.

HTH

vtrdaz:
mmmm Interesting thoughts on the optima's! - i always thought they were the dogs danglies but obviously not!
The batteries will be for a TD5 90 - i don't really want to chop the battery box about so i'm going to need batteries that are small enough to fit in the box as it is (with a mounting plate).
The exxide batteries - does anyone know any good stockists?

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