Optima yellow top as starter battery??

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Originally Posted by Vern

Why? They are 750cca!

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As are very many retail cranking batteries.

I don't know about Discoverys, but I think this Varta (or the size below, from memory) is recommended starting battery for a Defender. How does your Optima compare?
http://battery-power.com.au/product/l1/

I run two Yellow tops in my Td5 D2 and have done for 3 years now .
Never a problem , Before the D2 i did the same in my Tdi D1 [thumbsupbig]
This is the D2 [wink11]

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Originally Posted by DiscoMick

I don't know about Discoverys, but I think this Varta (or the size below, from memory) is recommended starting battery for a Defender. How does your Optima compare?
http://battery-power.com.au/product/l1/

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Fair enough, Mick, but the OP asked "Has anyone used 1 of these as a starter battery ?" He didn't ask for the perfect battery. Well, the answer to his question is 'yes'. I'm well aware the Yellow Top is not the perfect battery. However, 750 CCA is quite adequate for starting a TDV6.

The car involved is a D3. Would that Varta fit in a D3?

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Originally Posted by rangieman

I run two Yellow tops in my Td5 D2 and have done for 3 years now .
Never a problem , Before the D2 i did the same in my Tdi D1 [thumbsupbig]
This is the D2 [wink11]

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Looks like one of Carl's battery boxes? That's what mine has, although the original plan was to have one Yellow, one Red.

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Originally Posted by johntins

Looks like one of Carl's battery boxes? That's what mine has, although the original plan was to have one Yellow, one Red.

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Not saying [tonguewink] Mine is made from stainless which is so much better[bigwhistle]

I use the yellow tops for the D1 Tdi300, the 4bd1, and tractor.

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Originally Posted by rangieman

Not saying [tonguewink] Mine is made from stainless which is so much better[bigwhistle]

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Hmm....

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Originally Posted by johntins

Fair enough, Mick, but the OP asked "Has anyone used 1 of these as a starter battery ?" He didn't ask for the perfect battery. Well, the answer to his question is 'yes'. I'm well aware the Yellow Top is not the perfect battery. However, 750 CCA is quite adequate for starting a TDV6.

The car involved is a D3. Would that Varta fit in a D3?

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Not sure. They come various sizes, as do Yellowtops.
My guess is a Yellowtop could be used for both starting and as a second battery, but the needs are different and 750 CC is a lot less than 850 or 920, so as a compromise it might be less effective and more expensive than having a dedicated starting battery and a specialised deep cycle AGM as a second battery. Anyway, give it a go, I say.

The start battery in my D3 is 800 CCA and have not had any issues , the dual battery is 750 CCA optima yellow top. I remember seeing a thread on here a few years back where I am sure someone fitted a yellow top as a starter battery and also 1 as a auxillary battery as well.


just wondered if it was a common choice or not.

Cheers Ean