01-12-2016, 08:15 PM
(This post was last modified: 01-12-2016, 08:16 PM by Mike Watterson.)
I use CR2032 cells in a plastic holder to mimic old 15V or 22.5V instrument batteries. More than 10 years standby. I forget which is in my AVO, which is ex RTL NL (now called 2RN). 12 Euro cents each in bulk from Asia.
