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Old 12 February 2024, 13:17   #1
Pascal's Avatar
Country: France
Town: Locmariaquer
Length: 4m +
Join Date: Nov 2010
Posts: 18
Relocating the battery

Hi all,

On my Zodiac Pro 4,7 the battery is right at the back near the engine, where it is very exposed to water and not good for weight distribution. Hence I'm thinking of relocating it in the locker under the bench.

The standard Yamaha battery cables are 2m long, but I'm not sure if they have a 16 or 25mm2 section.

I need 3m cābles to put the battery under the bench, and I'm trying to find out whether I should use 25 or 35mm2 cables.

As the starter draws 100 amps (Yamaha 40hp), in theory I would need 35mm2 cābles, but I find them quite big.

What do you think?
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Old 12 February 2024, 17:04   #2
A1an's Avatar
Country: UK - Scotland
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Make: Ribcraft 585
Length: 5m +
Engine: Yamaha F115
Join Date: Mar 2012
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I'd stick with 25mm2 cables. 35's are big for a 40hp
There is a place on this planet for all of Gods creatures.........right next to my tatties and gravy.
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Old 12 February 2024, 17:24   #3
Pikey Dave's Avatar
Country: UK - England
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Old 14 February 2024, 13:55   #4
Country: UK - Scotland
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Boat name: charlie girl
Make: reiver 3.8/regal3760
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Engine: 40hp 2st 2x6lp 315
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Where cables are concerned bigger is usually better going off the link PD posted the 25 is only just big enough personally id go with the 35mm so you have a little in hand
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