ESI-500
Pilot’s Guide 4-9
Messages and Indications
Table 4-2: Battery Indications
BATTERY INDICATORS DESCRIPTION
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%.
Charge Indicator
Battery is currently charging and has
less than 1 hour (run time).
Note: Depending on SOC this indicator
can be shown less than lled.
Availability Indicators
Battery operation (charge and discharge)
is not possible due to high temperature
conditions or low battery voltage. Battery
discharge functionality returns to normal
when the temperature is less than +60°C
(+140°F) or battery voltage increases to
normal voltage levels.
An unrecoverable failure of the battery
system is detected. Battery operation,
charge and discharge functions are
unavailable. If icon continues to be
seen after cycling power to the unit a
battery replacement may be required. .
Battery is unable to charge due to low
voltage power input.
Note: Depending on SOC this indicator
can be shown less than lled.