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Setting Up and Using Your Computer 51
Uninterruptible Power Supplies
NOTICE: Loss of power while data is being saved to the hard drive may result
in data loss or file damage.
HINT: To ensure
maximum battery
operating time, connect
only your computer to a
UPS. Connect other
devices, such as a printer,
to a separate power strip
that provides surge
protection.
A UPS protects against power fluctuations and interruptions. UPS devices
contain a battery that provides temporary power to connected devices when
AC power is interrupted. The battery charges while AC power is available.
See the UPS manufacturer documentation for information on battery
operating time and to ensure that the device is approved by Underwriters
Laboratories (UL).