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
Power King Three Phase 28V DC Rectifier
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.