Please click your language flag. Bitte Sprachflagge klicken.

Battery B121

Battery B121; Ever Ready Co. GB (ID = 1371294) Power-S Battery B121; Ever Ready Co. GB (ID = 1371295) Power-S
Battery B121; Ever Ready Co. GB (ID = 1371503) Power-S Battery B121; Ever Ready Co. GB (ID = 1371504) Power-S
Use red slider bar for more.
Battery B121; Ever Ready Co. GB (ID = 1371294) Power-S
Ever Ready Co. GB: Battery B121 [Power-S] ID = 1371294 762x942
Select picture or schematic to display from thumbnails on the right and click for download.
For model Battery B121, Ever Ready Co. (GB) Ltd.; London:
Front view
Country:  Great Britain (UK)
Manufacturer / Brand:  Ever Ready Co. (GB) Ltd.; London
Year: 1949 ?? Type: Power supply or battery or charger
Wave bands - without
Power type and voltage Is a battery or storage battery / 15 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Model: Battery B121 - Ever Ready Co. GB Ltd.; London
Dimensions (WHD) 25 x 35 x 15 mm / 1 x 1.4 x 0.6 inch

Originally a "biscuit" type layer cell (10 cells about 23 x 2.7 x 12 mm, modern equivalents are actually alkaline button cells in a  tube in a B121 shape case

Connection type: Flat stud at each end.

Simlar types:

IEC 10F20, ANSI 208, BLR121, 101, U10 (not Ever Ready U10), Eveready 411, 10F20, NEDA 208, BA 331/U, Mallory M121, Burgess U10, Burgess K10, RCA VS082

The Alkaline replacement is about 16g, even though Alkaline cells are normally heavier than Zinc Carbon as the contents are circular.


Photo Flash bulbs, Radiation detectors, AVO 8, hearing aids and instruments.

Net weight (2.2 lb = 1 kg) 0.019 kg / 0 lb 0.7 oz (0.042 lb)

Model page created by Michael Watterson. See "Data change" for further contributors.

All listed radios etc. from Ever Ready Co. (GB) Ltd.; London
Here you find 200 models, 131 with images and 86 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.