Guardian Avionics offers a new and simple USB power upgrade option for aircraft owners who have an old 12-volt cigarette lighter socket in their current panel – the Guardian Avionics Power 250-101R Dual 2.1 Amp USB Power Supply with a 0.9-inch diameter round faceplate designed to fit a standard round cigarette lighter socket opening in the instrument panel. The round USB unit perfectly replaces the lighter socket and adds a clean dual USB port that sits flush with the panel converting any aircraft power source from 9 VDC to 48 VDC down to an output of 5 VDC at 2.1 Amp per USB port. Only two countersunk screws need to be added to mount the new unit and the power supply can be wired to aircraft power through a 2 Amp circuit breaker in place of the existing circuit breaker for the 12v lighter socket. This dual USB unit, along with all USB models offered by Guardian Avionics, are listed as part of the FAA “Non-Required Safety Enhancing Equipment” (NORSEE) letter of authorization issued to Guardian Avionics, meaning that the unit may be installed by an A&P/IA with only a minor alteration logbook entry in any CFR Part 23, 27, or 29 certified aircraft/rotorcraft. No time consuming and costly STC or Form 337 required. For more information visit www.GuardianAvionics.com or call (520) 889-1177.
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