Acer W3-810 User Manual page 37

Warning! Connect the AC adapter as soon as possible after the
battery-low warning appears. Data may be lost if the battery is
allowed to become fully depleted and the computer shuts down.
When the battery-low warning appears, the recommended course of
action depends on your situation:
Situation
The AC adapter
and a power outlet
are available.
The AC adapter or
a power outlet is
unavailable.
Recommended Action
1. Plug the AC adapter into the computer, and then
connect to the main power supply.
2. Save all necessary files.
3. Resume work.
Turn off the computer if you want to recharge the
battery rapidly.
1. Save all necessary files.
2. Close all applications.
3. Turn off the computer.
Battery pack - 37