If your computer will be unused and unplugged from external power for more than 2 weeks, remove the battery and store it separately in a cool, dry place to prolong the battery charge.
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 fire or burns, do not disassemble, crush, or puncture; do not short external contacts; do not dispose of in fire or water.
See the Regulatory, Safety and Environmental Notices for proper battery disposal. To access the user guides, from the Start screen, type support, select the HP Support Assistant app, select My computer, and then select the User guides.
Replacing a user-replaceable battery
Battery Check in HP Support Assistant notifies you to replace the battery when an internal cell is not charging properly or when the battery storage capacity has reached a weak condition. If the battery is possibly covered by an HP warranty, instructions include a warranty ID. A message refers you to the HP website for more information about ordering a replacement battery.
Running on external AC power
For information on connecting to AC power, refer to the Setup Instructions poster provided in the computer box.
The computer does not use battery power when the computer is connected to AC external power with an approved AC adapter or an optional docking/expansion device.
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.
Connect the computer to external AC power under any of the following conditions:
WARNING! Do not charge the computer battery while you are onboard aircraft.
●When charging or calibrating a battery
●When installing or modifying system software
●When writing information to a disc (select models only)
●When running Disk Defragmenter on computers with internal hard drives
●When performing a backup or recovery
When you connect the computer to external AC power:
●The battery begins to charge.
●The display brightness increases.
●The power meter icon on the Windows desktop changes appearance. When you disconnect external AC power, the following events occur:
●The computer switches to battery power.
●The display brightness automatically decreases to save battery life.
●The power meter icon on the Windows desktop changes appearance.
40 Chapter 6 Managing power