Wiring an engine battery from solar regulator (1 Viewer)

[Venturerdave]

Hello

I have a 2020 Elddis Sunseeker CV40 that I have owned for just on twelve months, and love it.
A couple of times this winter I have come to start the engine to find that the battery was flat causing md to charge it.
Part of the spec on this model is an 80w solar panel that charges the domestic battery only via a Truma regulator.

There is an option on the regulator to wire it to the engine battery and set the charge level, possibly 10% of solar charge to the engine battery.

My questions are.
1 is this something I can do myself.
2 If it is what is the best route for the cabling. The Truma regulator is by the rear doors in a locker near the roof.
3. What gauge wire should I use to be safe.
4. Any other advise would be appreciated.

 

[GeoffnDee]

Another way would be to fit a Vanbitz battery master (very easy) ,if you check out their website it describes its operation and you can see if it would suit your needs. They also give discount to fun members.

 

[rb62]

Seem to remember it's cheaper in Jims' shop

Motorhomefun Shop

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[Tombola]

battery master easy.

 

[Venturerdave]

A Battery master seems the way to go as a fit and forget item. With the leisure battery under s branch seat at the rear and engine battery under the passengers feet in the cab (Fiat Ducato) can anyone suggest the best route to run the wiring from the leisure battery to the engine battery, preferably hidden away as much as possible.

Thanks for your help and advice.

 

[Tombola]

You dont have to go to the battery direct if you already have cables coming in under your branch seat from the engine battery etc. Maybe a b2b charger ? similar to this

Battery Master install like this

I have 2 16mm cables feeding a b2b charger coming from the cab battery into the leisure/charging area, about 1 metre away. I have ordered a battery master from eddievanbitz (funster code didnt work but hey ho) Am I ok to install the battery master like the pic below? behind the B2B

www.motorhomefun.co.uk

But routing from the battery under the panel then alongside the passenger step and side of chair is quite easy to remove the panels and feed it through.

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