White Lightning™ brand of aviation ground power products are designed, manufactured, and supported by Audio Authority Corporation, located in Lexington, KY since 1976. These Ground Power Units (GPUs) are known for clean, stable electrical power to light up General Aviation aircraft, both certified and experimental, 12/14 or 24/28-volts. Their compact, affordable designs make them perfect for common hangar tasks such as database updates, flightdeck familiarization, powered preflight inspection, avionics procedures training, ground instruction, troubleshooting and maintenance, etc. Other accessories include aviation-specific BatteryMINDer brand of maintenance charger/desulfator and our exclusive quick-connect wiring harnesses, eligible for installation on certified aircraft as a minor alteration (no STC, field approval, or F337 required). All orders placed during the AOPA Aviator Showcase event will be eligible for FREE FREIGHT via UPS ground in the continental USA.