2 leisure batteries and b2b

[PeteT1201]

My new BHymer B634 (to me) has 2 leisure batteries one under each seat. Solar is connected can I add my B2B from 1 leisure battery to the starter battery?

 

[Jimbohorlicks]

Do you mean a batter master?

 

[PeteT1201]

Sorry yes diverts charge to starter battery when leisure are full

 

[Revolvor]

You can connect a Battery Master to one leisure battery to charge the Starter battery.
The term B2B usually refers to a charger that charges the leisure batteries from the alternator. Click on B2B in your original post for a better explanation

 

[PeteT1201]

Thanks it is a battery master I meant just checked on Google

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[Revolvor]

You can buy an original Vanbitz Battery Master from the online MH Fun site.

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[PeteT1201]

Thanks I already have purchased for my old van which only had one leisure battery just wanted to check as new van has 2

 

[Jimbohorlicks]

Thanks I already have purchased for my old van which only had one leisure battery just wanted to check as new van has 2

I think you may find that both the leisure batteries are connected together.in parallel,providing you with 12 v X possibly 200 ah depending obviously on the capacity of each battery. Making in fact just one large battery.
You can then connect you battery master to either battery and then to your starter battery.