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Backup Power

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ron228rj(at)gmail.com
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Posted: Thu Mar 30, 2017 6:50 am Post subject: Backup Power

I had a different thought on backup power for the EFIS I am installing in my day VFR plane. I figured the most likely scenario of having a problem with the EFIS is loss of power to it. I would like to at least have airspeed available while landing to troubleshoot the electrical problem, but why not just restore the whole EFIS?

Also, I always have on board a couple freshly charged batteries for various purposes. One is running the Raspberry Pi Stratux system. Another is standby power (if needed for very long flights) for my Android tablet running Avare.

So, why not put a round 2.1 mm jack for 12 volts on the panel routed the secondary power input on the EFIS and then keep one of these cables stored in the plane to go from 5 volts on the USB output of the battery to 12 volts for the EFIS:

https://www.amazon.com/LANMU-Module-Converter-Barrel-Connector/dp/B01G3ERI6U

Ron

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