Compaq 17XL260 - Presario - PIII 500 MHz Maintenance And Service Manual page 43

Models: XL260, XL261, XL262, XL264, XL265, XL266, XL274, XL275, XL360, XL361,
XL362, XL363, XL364, XL365, XL366, XL367, XL368, XL369, XL370, XL371, XL372, XL373,
Maximizing the Energy Stored
To maximize the energy stored in the battery pack, follow these guidelines:
Condition the battery pack at least every 30 days to improve overall battery
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performance.
Keep a battery pack in the Notebook when using it with AC power to supply the
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battery pack with a constant trickle charge.
Store the battery pack in a cool, dry place when not in use.
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Conditioning a Battery Pack
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CAUTION: To avoid a loss of data, ensure that all data is saved before discharging
a battery pack.
To condition a battery pack, complete the following steps:
1. Plug in the AC adapter and allow the battery to charge until the Fast Charge arrow
on the display disappears. Your battery gauge may read 100 percent for a period of
time before the arrow disappears. Do not unplug the AC adapter until the arrow
disappears.
2. Unplug the AC adapter and allow the battery to drain until the computer reaches
hibernation and turns itself off.
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CAUTION: Do not unplug the AC adapter during this process or you will need to
restart with step 1. You may use the computer while the battery is draining.
3. The battery is reconditioned.
4. Plug in the AC adapter and begin using the computer.
The table below shows battery pack charge times by model.
Li-ION Battery Pack
Computer On Line
Computer Off Line
Presario 1700 Series
XL374, XL375, XL376, XL377, and XL378
Battery Charge Time
Charge Time
4.5 hours premature termination
2.50 hours