Mpg On Idle

[Dee101]

Does anyone know if my Elektroblock EBL 104-2 on my 1995/96 Hymer still charge the leisure batteries on tickover? Only I’ve heard in the past that the alternator doesn’t charge below such and such revs?
Also…I’m thinking of buying a Victron 30amp b2b, the unisolated model. Is that the right option?
Would this work with such an old vehicle? I ask as Victron mention using with a “smart” alternator.
And…do I need to disconnect the Elektroblock EBL 104-2 before installing?
Finally…I currently have 2 x 70ah lead acid batteries, I can find absolutely nowhere a schematic layout for this with 2 batteries. Any ideas? And I mean for a non electrical type such as me. The batteries are connected pos to pos and neg to neg.

 

[jockaneezer]

Can't help with the rest, but if your alternator wasn't putting out any charge, the red "battery" light would illuminate on your dash ?

 

[Dee101]

Thank you for that

 

[Guigsy]

I've got all Victron gear. But I skipped their B2B. It needs quite a lot of cooling or it quickly gets hot and stops supplying 30A until it cools off again. I got a Votronic 30A B2B instead. It's more efficient so kicks out less heat, and it has a small fan if it does get warm. It won't appear in the Victron app, but the B2B basically only said 'on/off' anyway, so I'm not losing much.

 

[pappajohn]

Not advisable to idle the engine for extended periods.
It will glaze the cylinder bores resulting in some loss of power and possible increased oil consumption.

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[Jev88]

You can test yourself. Multimeter on battery and see what charge being supplied.