There may be different names for the ECU controlled charging system but "Smart Charge" is common.
It would appear that a dealer can turn smart charge off, it may also be possible to do it with scangauge type software. This is what many people are doing on Ford Rangers when fitting dual battery systems it would likely be the same on your transit van? Your alternator will then function as a basic type alternator.
Another option is to fit a DC to DC type charger, if you search for "Redarc" they have info on these chargers. There is no need to disable the smart charge with these.
Yeah I've been looking into the dc to dc chargers. Haven't checked out the Redarc ones yet. I hadn't heard about being able to turn the smart charge off either. I'll have to look into that. Thank you.
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