Vintage Radio Batteries
Here's an assortment of old batteries that I have found in
old radios or junkboxes. All of them are made by Eveready,
except for the little yellow flashlight battery at the
lower left, made by Reliant.
Most old radios used two batteries. The A battery supplied
filament current (usually 1.5 volts) to the tubes, and the B battery supplied a higher voltage (often 90 volts or 47.5 volts} to the rest of the radio.
King of them all by far is the Eveready 752, the long battery
stretching across the photo. It was used in the Zenith TransOceanic portable and
copycat radios. It supplies both A and B current in a single
package.
The blue battery at lower left is a more modern unit
from England. Similar to the chunky 9-volt flashlight battery
in America, it is used in my Roberts R200 portable.
The long cylindrical battery at lower right is a 1.5-volt A battery.
To learn more about battery power or to build your own AC adapter
for old battery radios, see the article, Powering Your Antique Battery Radio.
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