• Country
• United States of America (USA)

• Manufacturer / Brand
• Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia

• Year
• 1924

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 222649

• Wave bands
• - without

• Power type and voltage
• Is a battery or storage battery / 45 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: B-Battery 770 - Eveready Ever Ready, AENMC /

• Dimensions (WHD)
• 8.2 x 7.2 x 4.4 inch / 208 x 183 x 112 mm

• Notes
• "B" Battery; 30 cells; 45 volts.

• Net weight (2.2 lb = 1 kg)
• 13.75 lb (13 lb 12 oz) / 6.243 kg

• Price in first year of sale
• 5.00 USD

• Mentioned in
• Radio Broadcast, Dec 1924, p. 305

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

• Other Models

• Here you find 157 models, 138 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia