Batteries and Power Management
Using Battery Power
52 Reference Guide
• To maintain maximum battery capacity and accuracy of the battery gauge, perform
this calibration procedure every few months:
1. Plug in the AC adapter.
2. Click Start, All Programs, Hewlett-Packard, Notebook, HP Battery Optimizer.
3. Follow the displayed instructions to test and condition your battery. The process
could take up to 8 hours per battery. You can use the computer during the process.
If you interrupt the process or unplug the AC adapter, the battery might be left
with a low charge, and you will need to start over.
Note
Rechargeable batteries wear out over time. Training and battery calibration are required
to achieve the maximum battery life. Battery life may vary depending on the model of
your notebook.
To maximize processor speed
If your notebook contains a multispeed processor with Intel SpeedStep Technology, the
processor can automatically switch to lower, power-saving speeds or to higher-
performance speeds according to its workload. See “How the notebook manages power
automatically” on page 46.
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