Is there a way to charge two plus one

sonar

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Is there a way to charge two leisure batteries and the main cab battery by using solar panels
the pair of batteries are 95 amp not sure on the other.

so what would I need to buy to do the job.

and sizes ect
 
Is there a way to charge two leisure batteries and the main cab battery by using solar panels
the pair of batteries are 95 amp not sure on the other.

so what would I need to buy to do the job.

and sizes ect
Diabalo along with others has done this in his AT Mohawk.
 
When you have a solar system you can buy a Battery Master that diverts spare power from your leisure batteries to the starter battery. I have one, really good and easy to fit.

That is assuming your existing system does not already charge the starter
 
I might have missed a bit of this question but our Rienza has a solar panel that charges the leisure batteries. The vehicle battery is linked by a battery master to the leisure batteries.
It is a very simple way of making sure all three batteries are charged via the solar panel.
 
Basically you have two options,

1 a battery master/battery maintainer that will keep you starter battery charged from the habitation batteries.

2 a solar regulator that will charge both habitation and starter, Votronic duo for example.

If you go option 1 you could use any controller for solar, for the starter battery I have used a the VB battery master which works slightly differently to some of the other options so worth doing your homework.

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Thanks for the replies.

what would members recommend the wattage of the solar panel I would need.
and where should be the best place for this including a controller and a battery master .
I have fitted a solar system to a boat with three batteries but it was a supplied kit.

I found a supplied kit would be easier says all the comparable parts are included.
 
It depends on how you intend to use the MO. If on EHU most of the time you can get away with less solar panels than if you are doing a lot of off grid camping. The one thing you do need and It may not come in a kit is a decent MPPT solar charge controller, something like a Victron.
 
I was thinking something like this as we’re not going to be off grid all the time just the odd weekend.

any comments .

 
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In the old days, the most successful way to buy HiFi was to buy a pre-assembled set. That way, all the necessary components were present (even though they may not have been the right size) and everything balanced. A 'better' way was to buy all the components yourself but that was often fraught with problems of compatibility. I think the same may be true here but, even so, buying them separately gives you better control.
Survey your roof space and see what size panels could be accommodated. You may find that you can capture more with two small panels than one large one. You'll need wire to join your panel(s) to your controller (with a water-tight gland through the roof) and from your controller to the leisure batteries. Think about the route internally to get long enough wires. The controller is better placed close to the batteries but bear in mind that you might want to get to it to see what's going on. Some controllers will charge a second battery but it may be better to do that using a Battery Master (or similar device) = that way your charger will also be able to feed your starter battery as well as the solar. Get a controller that has capacity to deal with what you intend to put on the roof and get all of this from the same supplier. They ought to be able to provide everything you need (as a bespoke kit) with advice. If not, I'd find a supplier that could.
 

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