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Using the Battery
Your computer uses a rechargeable
Charging the Battery
Your computer’s battery starts charging automatically when you connect the AC adapter to the computer. If the computer is off, the battery charges faster than if the computer’s power is on.
Approximate charging times for your battery are
∙3 hours with the computer off
∙5 hours with the computer on
While the battery is charging, the battery charge light on the computer is amber (see Figure 9 on page 21 for the location of the battery charge light). When the battery is fully charged, the light changes to green.
You can also use the optional external battery cradle to charge the battery while it is not in the computer. (See “Battery Cradle” on page 92 for more information.)
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
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 41o F (5o C) or over 95o F
Using the Battery 37