All Dry Battery AD31

Ever Ready Co. (GB) Ltd.; London

  • Year
  • 1948 ??
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 228004

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Is a battery or storage battery / 7.5 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • from Radiomuseum.org
  • Model: All Dry Battery AD31 - Ever Ready Co. GB Ltd.; London
  • Dimensions (WHD)
  • 84 x 100 x 68 mm / 3.3 x 3.9 x 2.7 inch
  • Notes
  • Connection Type D (same as common AD38)

    Equivalents

    • GEC: BB401
    • Vidor: L5042
    • Other: 1518, H1177, K769

    Used in Vidor CN421, CN427 Radio. Likely over 5000mAH as more than twice volume of AD38 which is about 2500mAH.

    Likely 5 x "D" Cells in Series. 5 x "F" cells don't quite fit.On CN421, CN427 it's described as 2x life of B126 HT pack (70 hours max?) which means more than 3800mAH needed.

  • Net weight (2.2 lb = 1 kg)
  • 0.630 kg / 1 lb 6.2 oz (1.388 lb)
  • Author
  • Model page created by Michael Watterson. See "Data change" for further contributors.

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