The Thunderbird MB-375 can power up to 35km using mains or battery power

Mains or battery powered (A.C. Adaptor included and D.C lead supplied)
Optional solar kit is available
Vacuum sealed transformer for better reliability and longer life
SMD electronics to provide the most reliable controls
Quality Australian made product
Lightning spark gap fitted - 6 months warranty against lightning strikes
Tough, weatherproof o-ring sealed enclosure
Low battery voltage and output pulse indicated on LCD display
2 year warranty
Stored energy - 3.5j
Voltage at no load - 7.8kV
Voltage at 250 ohms - 5.7kV
Current drain - 216mA
Solar kit optional - 25watt