[Racal] About an RA6790 battery

[Charles P. Steinmetz]

Ed wrote:

>Anyway, here's the plan: 2 NiMH rechargeable cells (I know I OUGHT to use
>straight NiCads but in this case what I have is NiMH) as the backup battery
>in the '6790. That voltage (~3.4VDC) sound OK to y'all?

I would stick to NiCads.  They are not hard to get, or expensive, so 
why experiment -- particularly when NiMH cells have well-documented 
limitations that could be important in this application?

Best regards,

Charles