HP Nc4010 Hardware Guide - Page 42

Monitoring the Charge of a Battery Pack, Obtaining Accurate Charge Information

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Battery Packs To charge the primary battery pack: 1. Insert the battery pack into the notebook. 2. Connect the notebook to AC power. (The battery light turns on.) 3. Leave the notebook connected to AC power until the battery light turns off, signaling that the battery pack is fully charged. To charge the travel battery pack: 1. Insert the battery pack into the travel battery caddy. 2. Attach the travel battery caddy to the notebook. 3. Connect the notebook to AC power. (The battery light turns on.) 4. Leave the notebook connected to AC power until the battery light turns off, signaling that the battery pack is fully charged. Monitoring the Charge of a Battery Pack This section explains several ways you can determine the amount of charge in your battery pack. Obtaining Accurate Charge Information To increase the accuracy of all battery charge displays: ■ Allow a battery pack to discharge to less than 5 percent of a full charge through normal use before charging it. ■ When you charge a battery pack, charge it fully. ■ If a battery pack has been unused for one month or more, calibrate the battery pack instead of simply charging it. For calibration instructions, refer to "Calibrating a Battery Pack." Hardware Guide 3-13

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Battery Packs
Hardware Guide
3–13
To charge the primary battery pack:
1. Insert the battery pack into the notebook.
2. Connect the notebook to AC power. (The battery light turns
on.)
3. Leave the notebook connected to AC power until the battery
light turns off, signaling that the battery pack is fully charged.
To charge the travel battery pack:
1. Insert the battery pack into the travel battery caddy.
2. Attach the travel battery caddy to the notebook.
3. Connect the notebook to AC power. (The battery light turns
on.)
4. Leave the notebook connected to AC power until the battery
light turns off, signaling that the battery pack is fully charged.
Monitoring the Charge of a
Battery Pack
This section explains several ways you can determine the amount
of charge in your battery pack.
Obtaining Accurate Charge Information
To increase the accuracy of all battery charge displays:
■
Allow a battery pack to discharge to less than 5 percent of a
full charge through normal use before charging it.
■
When you charge a battery pack, charge it fully.
■
If a battery pack has been unused for one month or more,
calibrate the battery pack instead of simply charging it. For
calibration instructions, refer to
“Calibrating a Battery Pack.”