This confuses a B cell with a B battery. A B cell is a single dry cell in a package between A and C size.[1] Voltage around 1.5V. A B battery is a stack of tiny

This confuses a B cell with a B battery. A B cell is a single dry cell in a package between A and C size.[1] Voltage around 1.5V. A B battery is a stack of tiny dry cells used to provide plate voltage for a vacuum tube. Voltages in the 45 to 90 volt range.[2] [1] https://en.wikipedia.org/wiki/List_of_battery_sizes https://en.wikipedia.org/wiki/List_of_battery_sizes [2] https://commons.wikimedia.org/wiki/File:Ray-O-Vac_Radio_'B'_Battery,_45_volts,_French_Battery_Company,_Madison,_Wisconsin_-_National_Electronics_Museum_-_DSC00237.JPG https://commons.wikimedia.org/wiki/File:Ray-O-Vac_Radio_'B'_...