Updated Instructions and Adjusted Warranty
Garmin G5 Electronic Flight Instruments (011-03809-00) using a G5 Ver. 2 Battery Pack (011-03893-01) are affected.
G5 Electronic Flight Instruments (011-03809-00) with MOD 1 are not affected.
011-03893-01 battery packs started shipping in Q4 of 2020.
An 011-03893-01 battery pack is marked with part number 361-00085-01 below the Garmin logo on the battery pack label (see image in attachment).
This service bulletin contains instructions to make sure the G5 Ver. 2 Battery Pack (011-03893-01) can energize the G5 (011-03809-00) without additional power inputs.
Some G5 Flight Instruments may not energize when powered solely by a Ver. 2 Battery Pack.
If aircraft power is lost during flight the G5 will remain energized and function as intended.