User's Manual

Storing a user-replaceable battery
CAUTION: To reduce the risk of damage to a battery, do not expose it to high temperatures for extended
periods of time.
A stored battery should be checked every 6 months. If the capacity is less than 50 percent, recharge the
battery before returning it to storage.
Disposing of a user-replaceable battery
WARNING! To reduce the risk of re or burns, do not disassemble, crush, or puncture; do not short external
contacts; do not dispose of in re or water.
See the Regulatory, Safety, and Environmental Notices for proper battery disposal.
To access this guide:
▲ Type HP Documentation in the taskbar search box, and then select HP Documentation.
Running on external power
For information about connecting to external power, see the Setup Instructions poster provided in the
computer box.
The computer does not use battery power when the computer is connected to external power with an
approved AC adapter or an optional docking device or expansion product.
WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer, a
replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.
WARNING! Do not charge the computer battery while you are aboard aircraft.
Connect the computer to external power under any of the following conditions:
● When charging or calibrating a battery
● When installing or updating system software
● When updating the system BIOS
● When writing information to a disc (select products only)
● When running Disk Defragmenter on computers with internal hard drives
● When performing a backup or recovery
When you connect the computer to external power:
● The battery begins to charge.
● The screen brightness increases.
● The Power icon changes appearance.
When you disconnect external power:
48 Chapter 6 Managing power