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Hi, yes I have 2 leisure banks, one for habitation and one for the inverter and then the starter battery. Both the starter and habitation leisure banks are charged via alternator (Schaudt EBL220) and want to fit a Schaudt WA121545 to charge my inverter bank while driving so I did originally think using the starter battery as I thought the same as @Geo that it would pass more onto the inverter bank as will be more charged than he leisure bankOops perhaps I have misunderstood your question, do you have 2 leisure banks, one for usual stuff and one just for the inverter? If so I agree with @Geo, connect to the engine bank not the other leisure bank.
Yes, if you connect to the other leisure bank I suspect you might be asking a bit much of the existing wiring and perhaps leave it a bit starved. Probably safer to have separate wiring and fuses.Hi, yes I have 2 leisure banks, one for habitation and one for the inverter and then the starter battery. Both the starter and habitation leisure banks are charged via alternator (Schaudt EBL220) and want to fit a Schaudt WA121545 to charge my inverter bank while driving so I did originally think using the starter battery as I thought the same as @Geo that it would pass more onto the inverter bank as will be more charged than he leisure bank
My inverter bank are victron lithium’s which are fantastic if you are drawing big amps out. I’ve always kept them separate from the habitation batteries (victron gels) as the schaudt panel can get confused so Udo Lang at Schaudt advised having a separate bank of batteries for the inverterI thought about having two battery banks for inverter and domestic use on my MH but after reasoning it out I decided to just have one large domestic bank made of four Trojan T105s giving 450 amp hours at 12 volts. Normally I don't think a deep cycle domestic bank can support an inverter for serious work i.e. a microwave but by the time you have a large bank of batteries the accumulated available amp draw will support some heavy use. I can draw 120 amps using a 2000w inverter driving a micowave and it still won't sag below a voltage of over 11.5 volts. ( The inverter cuts out at I think 10.5 volts). As for draining the batteries just monitor it as you would any battery bank and you should not run into any trouble.
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I agree, the cabling used these days by the manufacturers is sometimes not adequate but my van been of an era when manufacturers were not run by accountants did the job right and very adequate cable size so I think ill use the engine battery as the linkI thought the idea of B2B was the B2B loaded the engine battery so much the alternator kept giving maximum output which it can transfer to the leisure battery.
The leisure battery is only trickle charged by the alternator due to thin(ish) cables connecting to that would achieve nothing.
I may be wrong.
I agree, the cabling used these days by the manufacturers is sometimes not adequate but my van been of an era when manufacturers were not run by accountants did the job right and very adequate cable size so I think ill use the engine battery as the link