1. Charging: The light shows amber when the battery is charging.
2. Fully charged: The light shows green when in AC mode.
http://acer.custhelp.com/app/answers/detail/a_id/3 180/~/what-does-it-mean-when-the-battery-icon-on-m y-notebook-or-netbook-is-orange-and
What does it mean when the battery icon on my notebook or netbook is orange and blinking?
What does it mean when the battery icon on my notebook or netbook is orange and blinking?
When the battery charge is low the orange light will blink slowly. When the battery charge level is critically low (less than 3%) the orange light will blink rapidly.
If the battery is not charging with the AC Adapter, perform a power reset:
1. Remove the battery and unplug the AC adapter or the power cord from the computer.
2. Press and hold down the power button on the computer down for 30 seconds and then release the button.
3. Plug in the AC adapter or power cord again, reinsert the battery, and power on the computer.
If the problem persists, the AC adapter may be faulty or the computer may need service, please contact Acer support.
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