White Lightning M2850 28V 50-Amp GPU For Certified Aircraft With 3-Pin Oval Plug

The White Lightning M2850 Mini-GPU is a portable 28 V aircraft ground power unit designed to supply stable DC power to an aircraft electrical bus for ground-based avionics and maintenance activities. Model M2850 provides a regulated 28.5 VDC output at up to 50 A continuous (approximately 1.5 kW).

It is supplied with a heavy-duty 4 AWG output cable terminating in a 3-pin oval AN2551 (NATO) plug. The unit accepts universal AC input from 90 to 264 VAC, 47 to 63 Hz, supporting use with suitable local mains connections.

• Manufacturer part number: M2850
• Output: 28.50 VDC ±0.25 V; 50 A maximum continuous
• Aircraft connection: 3-pin oval AN2551 (NATO) plug via SB-50 connection
• Input: 90–264 VAC, 47–63 Hz
• Digital voltage and current indication with status LED
• Programmable automatic shutdown timer
• Dual USB charging ports
• Protection and automatic recovery for short circuit, reverse polarity, over-voltage/load and over-temperature conditions
• Approximate chassis dimensions: 16.4 × 13.5 × 37.2 cm (H × W × L)

The M2850 is intended for airframe power, including avionics operation, flight-deck database or software updates, troubleshooting and maintenance. It is not intended for engine starting and is not a long-term battery charger. Aircraft electrical-system suitability, connector configuration and operating procedures should be verified by qualified personnel before use.

Documentation: M2850 Operator’s Manual