Suspected Converter Problem
Hey guys, back again. Hoping to gain some insight into an ongoing problem we've had this summer. RV is a 2004 Fleetwood Terry Quantum AX6 365FLTS. The rv came with a factory installed WFCO 8855 ...
Forum Discussion
pianotuna wrote:
Two words
voltage drop
AGM's require a certain amount of current to "wake them up". That requires a significantly higher voltage than a flooded jar.
Lifeline has wonderful documentation about what is best for their product. Ignore it at your peril.
My "thing" about temperature compensated charging comes from living in an area where it reaches -40 most years, and +40 C (104 f)in the summer. For me it is an essential. For other locations, perhaps not so much. 51.911669, -106.821398 is where I am at the moment.LipschitzWrath wrote:
You also say that no camper came with cables big enough to adequately charge AGM batteries correctly. Why is the cable size important? Isn't an amp an amp? What about AGM batteries necessitates larger cables?
I live in a similar climate as far as temperature extremes.
Any idea what this "wake up voltage" is? Reason I ask, you can't "make" voltage once it leaves the converter, so 14.4 volts is all you can get, even with an infinitely large cable with infinitesimal resistance. So if AGM's require more than that, then you can't get it from a converter. I think that applies to WFCO and PD.
If there is an AGM-specific converter out there, please send me in that direction.
Or when you say "wake them up", are you talking about trying to recover them (desulfation) at home? If that's what you mean, I might have that covered. My AGM-specific charger can get well in to the high 15's for voltage. I think I've even seen it top 16 volts.
Lastly, and I probably should have mentioned this sooner, but I don't know where people are getting that my batteries are Lifeline's. I don't think I ever said that, maybe people inferred it? At any rate, I don't. My AGM batteries are the Duracell Platinum AGM's, part number 31DTMAGM.
