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Using the Battery
Your computer uses a smart rechargeable Lithium-ion (Li-ion) battery pack for power
when the AC adapter is not attached to an electrical outlet. The smart battery gives a
accurate measurement of the current battery capacity which helps extend operating
time by enabling effective power management in operating systems that take
advantage of the accurate information supplied by the battery.
Charging the Battery
Your computer's battery starts charging automatically when you connect the power to
the computer and to an electrical outlet. If the computer is off, the battery charges faster
than if the computer's power is on.
Approximate charging times for the Li-Ion battery are:
1.5 hours with the computer off (Standard battery) and 2.5 hours (Long Life
battery).
4 hours with the computer on (Standard battery) and 5 hours (Long Life
battery).
While the battery is charging normally, the battery Status LED on the computer is
amber (See "Reading the System Status LEDs" on page 27 for the location of the
battery Status LED). When the battery is fully charged, the LED changes to green.
When you use a new battery pack for the first time or use a battery after a long period
of storage, the initial battery life is shorter than normal. Normal battery life resumes
after a few discharge-recharge cycles.
Follow these rules for charging your battery:
A battery normally discharges power when not used for long periods of time.
Be sure to recharge the battery every two months when it is not in use.
Make it a practice to discharge your battery fully before recharging the battery.
This can help extend the life of the battery.
Do not attempt to charge the battery in temperatures of under
If you will not be using the computer for a long period of time (a month or
more), you should completely charge the battery. After you have done so,
remove the battery from the unit.
All batteries eventually wear out and lose the ability to hold a charge. You may
need to replace your battery pack after a year of average usage.
All batteries lose their charge if they sit unused for an extended time period.
When not used, battery can discharge fully in 2 to 3 months.
o
o
.
10
C or over 32
C
Using the Battery 45
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