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Battery pack - 41

Use this conditioning process for all new batteries, or if a battery

hasn't been used for a long time.

The battery conditioning process ensures your battery accepts the

maximum possible charge. Failure to follow this procedure will prevent

you from obtaining the maximum battery charge, and will also shorten

the effective lifespan of the battery.

In addition, the useful lifespan of the battery is adversely affected by

the following usage patterns:

• Using the computer on constant AC power.

• Not discharging and recharging the battery to its extremes, as

described above.

• Frequent use; the more you use the battery, the faster it will reach

the end of its effective life. An embedded battery has a life span of

more than 1,000 charge/discharge cycles.

Optimizing battery life

Optimizing battery life helps you get the most out of battery operation,

prolonging the charge/recharge cycle and improving recharging

efficiency. You are advised to follow the suggestions set out below:

• Use AC power whenever possible, reserving battery for mobile use.

• Remove accessories that are not being used (e.g. a USB disk

drive), as they can continue to draw power.

• Store your PC in a cool, dry place. The recommended temperature

is 10° C (50° F) to 30° C (86° F). Higher temperatures cause the

battery to self-discharge faster.

• Excessive recharging decreases the battery life.

• Look after your AC adapter and battery.

Warning

Do not expose battery packs to temperatures below 0° C (32° F) or

above 45° C (113° F). Extreme temperatures may adversely affect the

battery pack.