Thunderbird S255 - 25km solar electric fence energiser

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Tax amount $48.98
Designed for large fence applications where no mains power is available. Regulator and mounting supplied as standard. Thunderbird’s large solar systems are designed to be connected to an external 12 volt battery. *** Battery not included.
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  • Stored Joule: 2.33 J
  • Max distance: 25km
  • Voltage @ no load: 7.9kV
  • Current drain: 160mA


  • Remote control ( optional ). Turns energiser on or off from the fence line.
  • Output voltage
  • Earth conditions poor-fair-good
  • Amps - condition of fence
  • Joules - energy being used
  • Mode - standby, diagnostic data
  • Digital LCD display ( 3 functions displayed )
  • Mains, Solar or Battery powered, ( A.C. Adaptor and D.C lead supplied )
  • Vacuum Sealed transformer, for better reliability and longer life
  • Quality Australian made product, with 2 years warranty
  • Lightning spark gap fitted —6 months warranty against lightning strikes
  • Tough, weatherproof O-ring sealed enclosure.


Deep cycle type batteries are recommended. 

Energiser distances are a guide only. Factors such as proximity of live wire(s) to earth or to other parts of a fence, distance of live wire run underground, thickness of wire and earth condition will affect the effective distance. Thunderbird recommend a minimum distance of 200mm between the live wire(s) and any other conductor, otherwise effective energiser distance is reduced.


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