Hoppecke fiber nicads [RE-wrenches]

[jay peltz]

Hi Jeffrey,

Yes I agree with Peter.  The issue with them is to charge them high enough.
They should get to around 16.7-17v per cell to get fully charged.

I'm not sure about the memory issue however to fully charge them they really
need to go that high.  So the only choice is to go with 24v or better 48v
system so you can  reduce the number of cells, to keep the voltage within the
parameters of the inverter/controller, but high enough so the cells do  well.

good luck,

jay

peltz power

"Jeffrey Wolfe, Global Resources" wrote:

> Hi all,
>
> Well, so far we've avoided them, but it looks like we *may* get into a
> system design using some Hoppecke Fiber nicads. (20 cells FNC 306 L). While
> I've asked the manufacturer for info and application recommendations, what
> is everyone's experience with using these with Trace SW and RV Power
> Products equipment? Everything I've seen connected to these (and it's
> admittedly not much) is working poorly because the charge controller does
> not charge the batteries high enough, and the inverter shuts down on over
> voltage when the batteries get close to a correct voltage.
>
> Are there easy and good solutions for these? Does anyone have long-term
> systems out there with these that they are happy with?
>
> Thanks,
>
> Jeff
>
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