Asus X551CA - Manual (Page 17)

Notebook PC E-Manual 1
Two-color battery charge indicator
The two-color LED provides a visual indication of the
battery’s charge status. Refer to the following table
for details.
Color Status
Solid Green The Notebook PC is plugged to
a power source and the battery
power is between % and
100%.
Solid Orange The Notebook PC is plugged
to a power source, charging its
battery, and the battery power
is less than %.
Blinking Orange The Notebook PC is running on
battery mode and the battery
power is less than 10%.
Lights off The Notebook PC is running on
battery mode and the battery
power is between 10% to 100%.