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You can keep a battery in the computer or in storage, depending on how you work. Keeping the battery
in the computer whenever the computer is plugged into AC power charges the battery and also protects
your work in case of a power outage. However, a battery in the computer slowly discharges when the
computer is off and unplugged from external power.
WARNING!
replacement battery provided by HP, or a compatible battery purchased from HP.
Computer battery life varies, depending on power management settings, programs running on the
computer, display brightness, external devices connected to the computer, and other factors.
Finding battery information in Help and Support in Windows 7
Help and Support provides the following tools and information about the battery:
●
Battery Check tool to test battery performance
●
Information on calibration, power management, and proper care and storage to maximize battery
life
●
Information on battery types, specifications, life cycles, and capacity
To access battery information:
Select Start > Help and Support > Learn > Power Plans: Frequently Asked Questions.
▲
Using Battery Check in Windows 7
Battery Check in Help and Support provides information on the status of the battery installed in the
computer.
To run Battery Check:
1.
Connect the AC adapter to the computer.
NOTE:
2.
Select Start > Help and Support > Troubleshoot > Power, Thermal and Mechanical.
3.
Click the Power tab, and then click Battery Check.
Battery Check examines the battery and its cells to see if they are functioning properly, and then reports
the results of the examination.
Displaying the remaining battery charge
Move the pointer over the power meter icon in the notification area, at the far right of the taskbar.
▲
Maximizing battery discharge time
Battery discharge time varies depending on the features you use while on battery power. Maximum
discharge time gradually decreases as the battery storage capacity naturally degrades.
Tips for maximizing battery discharge time:
●
Lower the brightness on the display.
●
Remove the battery from the computer when it is not being used or charged.
●
Store the battery in a cool, dry location.
●
Windows 7—Select the Power saver setting in Power Options.
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Chapter 4 Power management
To reduce potential safety issues, use only the battery provided with the computer, a
The computer must be connected to external power for Battery Check to work properly.
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