• Country
• United States of America (USA)

• Manufacturer / Brand
• MFJ Enterprises; Starkville (MS)

• Year
• 1992

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 191185

Click on the schematic thumbnail to request the schematic as a free document.

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 125 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Portable Rechargeable Power Pack MFJ-4114 - MFJ Enterprises; Starkville MS

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 6 x 3.5 x 6 inch / 152 x 89 x 152 mm

• Notes
• Power Supply from either AC mains or self-contained rechargeable NiCd batteries; front panel switching selects AC or BATTERY operation and controls operation of the built-in constant-current charger; external wall (model MFJ-407-1106) transformer provides AC to bridge rectifier; on AC supply position the output voltage is 13.8VDC at 1.2A, Voltage Regulated, with charger output of 100mA all loads, Current Regulated; on NiCd Battery Pack output the output voltage is 13-15VDC at 1.2A with NiCd storage capacity of 1.6AH or 4AH; charge time 14-hours typical for 1.6AH NiCds; uses batteries NiCd "D" Cells (12 required); for use with conventional batteries, install no more than 10 cells and jumper the remaining 2 positions in the battery holder with a cliplead.

• Net weight (2.2 lb = 1 kg)
• 3 lb (3 lb 0 oz) / 1.362 kg

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Emilio Focosi. See "Data change" for further contributors.

• Other Models

• Here you find 67 models, 65 with images and 41 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MFJ Enterprises; Starkville (MS)