The Power King series of ground power units are intended to provide nominal 28 volts DC to power aircraft systems during maintenance and standby conditions. And, to relieve the aircraft battery from the stresses involved in providing high current engine starting.

Power King Single Phase 28v DC Rectifier

  • 1200 peak amps output-60 Hz
  • 600 continuous amps-60 Hz
  • 1000 peak amps output-50 Hz
  • 400 continuous amps-50 Hz
  • 50-60 Hz single-phase AC input,  208-250V

Power King Three Phase 28V DC Rectifier

  • 2000 peak amps output-60 Hz
  • 1000 continuous amps-60 Hz
  • 1800 continuous amps-50 Hz
  • 800 continuous amps-50 Hz
  • 50-60 Hz 3-phase AC input,  208-600V

Power King Single & Three Phase 28V DC Rectifier

​​Power Queen 12/28.5 V Battery Cart

The Power Queen combines economy, efficiency and maneuverability, to give you the power you need, when & where you need it.​​

  • 28.5V and 24V (Sealed or Wet Batteries)
  • ​Battery Fuel gauge
  • 12/28.5V, 672 AH
  • 1500 peak momentary
  • 20' 4/0 DC output cable
  • ​Locking, swivel castors
  • All Terrian, flat free tires
  • ​All Steel Frame 
  • ​Powder Coated finish – can customize
  • Solid state micro processor- battery charger


Standard Equipment

  • Reverse Diodes
  • Over Voltage protection
  • Epoxy encapsulated transformer – designed to give more output
  • Ripple & RFI filtered 
  • Locking, swivel castors
  • 20’ DC Output cable
  • 100’ AC input cable
  • Powder Coated finish – can customize
  • All Terrian, flat free tires
  • All Steel Frame 
  • 208-600V 3-Phase strapping capability Standard 
  • All electric-quiet operation with no fumes
  • See additional options 

Additional Options

  • Soft Start- limits current to 1000 amps
  • Custom Powder Coating
  • 14/28 VDC- for 14 VDC aircraft
  • All terrain package- ease movement in areas with uneven surfaces such as: sand, snow, over door thresholds
  • Hour meter-track usage
  • Step down transformer-115 VAC outlet not operational if input voltage above 240 VAC-maintains functionality
  • Extended Output/Input cable
  • Three/Single Phase installation kit-plug, receptacle, and wall box-can be sold separately