HP Voyager series calculator battery query

[brouhaha]

(07-23-2023 10:46 PM)HP-12C Wrote:  Are the CR2032 cell or LR44 cell batteries used in the HP Voyager series corrosive?

Very old Voyagers use three button cells.
Silver oxide are best: 357 or SR44
Alkaline will work: A76 or LR44

Old Voyagers use one coin cell, CR2032.

Newer Voyagers use two coin cells, CR2032.