Acer ICONIA W510 Mode D'emploi page 48

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.
46 - Battery pack
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.