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Add additional leisure batteries to Symphony

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Add additional leisure batteries to Symphony Empty Add additional leisure batteries to Symphony

Post by peterbennett9 Sun Oct 24, 2021 12:45 pm

Hi just wondering if anyone has added any additional leisure batteries to their symphony and if so where you located them and what your setup was. Thanks
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Post by Paulmold Sun Oct 24, 2021 12:55 pm

Can't think where you could locate an additional battery especially if you have the safe under passenger seat. If no safe then that may be a suitable place if sufficient height .

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Post by peterbennett9 Sun Oct 24, 2021 12:59 pm

I have no safe so that may be an option, another option might be to create a battery box between the seats, im wondering if id need to upgrade the vehicle alternator and the battery charger that runs off EHU if i did so however and it might be more hassle than it’s worth
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Post by mikemelson Mon Oct 25, 2021 12:44 pm

My Symbol came with one 85amp battery which I found useless as I spend all the time off grid.
I managed to fit 2 x 40 watt solar panels on the limited roof space, I also managed to shoehorn in 2 x 110amp batteries, 1 under the driver's seat & 1 in the area containing the water heater & the Eberspacher.
This I find more than ample for my needs as I don't watch the rubbish on TV & all the light tubes now contain LEDs.
I didn't need to change the alternator & the existing battery charger is OK when the van is in the garden during the dark winter months,

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Post by peterbennett9 Mon Oct 25, 2021 12:47 pm

mikemelson wrote:My Symbol came with one 85amp battery which I found useless as I spend all the time off grid.
I managed to fit 2 x 40 watt solar panels on the limited roof space, I also managed to shoehorn in 2 x 110amp batteries, 1 under the driver's seat & 1 in the area containing the water heater & the Eberspacher.
This I find more than ample for my needs as I don't watch the rubbish on TV & all the light tubes now contain LEDs.
I didn't need to change the alternator & the existing battery charger is OK when the van is in the garden during the dark winter months,
Mike how did u connect both batteries? In series? What was the wiring setup?
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Post by mikemelson Mon Oct 25, 2021 4:50 pm

peterbennett9 wrote:
mikemelson wrote:My Symbol came with one 85amp battery which I found useless as I spend all the time off grid.
I managed to fit 2 x 40 watt solar panels on the limited roof space, I also managed to shoehorn in 2 x 110amp batteries, 1 under the driver's seat & 1 in the area containing the water heater & the Eberspacher.
This I find more than ample for my needs as I don't watch the rubbish on TV & all the light tubes now contain LEDs.
I didn't need to change the alternator & the existing battery charger is OK when the van is in the garden during the dark winter months,
Mike how did u connect both batteries? In series? What was the wiring setup?
I bought 2 5ft lengths of extremely thick insulated cable & connected positive to positive & minus to minus

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Post by mikemelson Tue Oct 26, 2021 11:03 am

[You must be registered and logged in to see this link.]

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Post by mikemelson Tue Oct 26, 2021 11:07 am

I am trying to get the hang of posting photos. These last images are of the area under the driver's seat

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Post by mikemelson Tue Oct 26, 2021 11:34 am

This photo is of the area under the sofa containing the water heater & Eberspacher.
It might look dodgy but I have slabs of insulating material surrounding the batteries which have been removed to take photo[You must be registered and logged in to see this link.]

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Post by Peter Brown Tue Oct 26, 2021 3:59 pm

mikemelson wrote:
I bought 2 5ft lengths of extremely thick insulated cable & connected positive to positive & minus to minus


I can't see a mention of them so I will add that for fire protection reasons there should be 25A fuses in the positive lead connecting the batteries as near as possible to each of the batteries +ve terminal.
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Post by peterbennett9 Tue Oct 26, 2021 7:56 pm

Thanks for this guys and mike that looks like a good job im going to look into this for mine
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