User Manual

ETX SERIES LITHIUM BATTERIES
22
Fault Monitoring Connection to 12V LED
The table below shows the recommended user alerts based on voltages when in flight. The
low charge level is very different from a lead acid battery, for a lithium battery is completely
drained at approximately 11.5V.
Voltage
User Alert
>15V High voltage warning (red indicator)
<13.5V Alternator off-line alert (yellow indicator)
<12.6V
Low charge level warning (red indicator)