How does the IQ4-AGM actually work? It says it skips the Bulk Stage (getting the battery to 14.6/8) and goes straight to the Absorption Stage (14.2v with regular IQ4 that runs for up to 8 hours)
How long does it really stay at 14.2v (or whatever voltage the IQ4-AGM does)?
This suggest the IQ4-AGM may have a higher voltage? (and also drags us into the discussion from last year)
https://www.coastresorts.com/cforum/index.cfm/fuseaction/thread/tid/29601119/print/true.cfmUsually AGMs require holding the charge at 14.4ish (some want 14.8ish) until amps taper to 0.5a/100AH. so you need an ammeter to tell when you are down to 0.5a/100AH of bank.
8 hours might be long enough depending on how many AH of bank, etc. What would make the IQ4 drop to 13.6v before the 8 hours is up like it suggests "up to 8 hours"? Would that be before you get to 0.5a/100AH?
Is it possible to do 05.a/100AH at 14.x with that IQ4-AGM? If yes, what is its real charging profile? The specs are not clear.
Thanks
1. 1991 Oakland 28DB Class C
on Ford E350-460-7.5 Gas EFI
Photo in Profile
2. 1991 Bighorn 9.5ft Truck Camper on 2003 Chev 2500HD 6.0 Gas
See Profile for Electronic set-ups for 1. and 2.