The Roland JUNO-60 came out in 1982, less than one year after its predecessor,
the JUNO-6, was introduced.
Both were 6-voice polysynths but the JUNO-60 included fifty-six programmable patch memories!
A CR-1/3N lithium battery with solder tabs holds the patch data in RAM when the synth is
Size 1/3N batteries are still used in cameras and other
electronics, but without solder tabs.