Does anyone have experience/data on PIC's with batteries?  Could the
builtin Power-on Reset circuit(POR) handle ANY batteries(as long as Vdd
is in specs, eg. 5 volts)?  For example, regardless of the freshness of
the batteries, when they are connected to Vdd and Vss,  will the PIC's
start up properly?  Do I have to worry about anything else?

Thanks and Regards,

Mike DeLong