Determining Battery Status - NEC VERSA LITEPAD TABLET PC Manual

Keep the following in mind when using the battery pack.
Use only the battery designed for your NEC Versa LitePad tablet
PC. Mixing other manufacturers' batteries, or using a combination
of very old and new batteries can deteriorate battery and equipment
performance.
Turn off power to the system after use. Keeping system power on
can degrade battery performance and shorten battery life.
Clean the battery connectors with a dry cloth when they get dirty.
Keep the battery out of the reach of children.

Determining Battery Status

Your tablet PC provides tools to help you keep track of the battery's
power level. If your system is configured to display the Power icon on
the taskbar, the following taskbar icons appear:
An electrical plug appears when the system is connected to an AC
power source.
A battery icon always appears when the system is not connected to
an AC power source.
To show the Power icon on the taskbar when connected to AC power,
tap the Windows Start button, select Control Panel, select Performance
and Maintenance, and select Power Options. From the Power Options
Properties window, select the Advanced menu and select the option
"Always show icon on the taskbar."
Use the system's power meter to determine battery status. Access the
system's power meter in the following ways:
If the Power icon is configured to display in the taskbar, point to
the Power icon to display the remaining battery power.
Double tap the Power icon on the taskbar to open the power meter.
Go to Start, Control Panel, select Performance and Maintenance,
and select Power Options. Select the Power Meter tab. Power status
displays the total battery power remaining.
Getting Started 2-25