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Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
2 B
ATTERY
O
PERATIONS
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1600XL S
ERIES
• Customize the timeout value to work more efficiently with the applications. The
amount of battery life depends on the values selected.
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
performance.
• Keep a battery pack in the Notebook when using it with AC power. This supplies
the battery pack with a constant trickle charge.
• Store the battery pack in a cool, dry place when not in use.
Conditioning a Battery Pack
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CAUTION:
To avoid 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 plug in 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.
Battery Charge Time
Computer Online Offline
Li-ION Battery Pack 4.5 hours premature termination 2:50 hr