ESI-2000
Pilot’s Guide1-16
Description
BATTERY
BATTERY
INDICATORS
DESCRIPTION
Discharge Indicators
The run time capacity for a green battery indicator
is at least 1 hour.
The run time capacity for an amber battery indicator
is less than 1 hour.
Battery is discharging and has a SOC > 90%.
Battery is discharging and has a SOC ≤ 90%
but > 65%.
Battery is discharging and has a SOC ≤ 65%
but > 40%.
Battery is discharging and has a SOC ≤ 40%
but > 15%.
Battery is discharging and has a SOC ≤ 15%.
Battery is discharging and has dropped below
-15
°C (
5
°F).
SOC ≤ 65% but > 40%
Battery indicators and messages are located on the top-left side of the
display. The indicators provide details on the general state of charge (SOC),
availability of the battery for discharge or charge, and battery failure. The
following table provides a brief description and examples of common battery
indicators. Status messages provide details on battery calibration and how
to continue operating the indicator using the backup battery. During normal
operation of the ESI-2000 (unit powered by aircraft power and the battery
has at least 1 hour of run time) no battery indicator or message is shown
on the display.
It is important to note that the battery indicator is an indication of the battery’s
relative state of charge and is independent of the 1 hr run time expressed
by the color of the battery indicator. As the life of the battery comes to an
end, the charge capacity of the battery gradually reduces to the point that
the battery indicator shows 100% SOC, but is colored amber indicating less
than 1 hour run time. If this condition is observed, then the battery is worn
out and requires replacement.
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