Notebook User Guide
30
2.1 Using the Battery Pack
The notebook is designed to operate with one of the following power
sources:
• With AC power using the AC adapter connected to an electrical outlet.
• With a Lithium-Ion (Li-Ion) battery pack.
You should use the AC adapter whenever it is possible, relying on the battery
pack only when AC power is unavailable.
Before you use your notebook computer, install and recharge the battery pack
first. The rechargeable Li-Ion battery pack allows you to operate the
notebook without an external power source. When you connect the AC
power adapter, the battery immediately starts to recharge. Normal battery
charging time is 4 hours for Lithium-Ion (Li-Ion) battery pack when your
computer is turned off.
For maximum battery performance, fully discharge the battery first before
recharging it when you start to use it for the first time. To do so, unplug the
AC adapter, turn off power management features (through Setup and
Windows), and turn on the system. Once the battery is fully discharged, plug
in the AC adapter and recharge the battery.
If you do not discharge the battery completely, it fails to accept a full
recharge.
+ Li-Ion battery is vulnerable, do not charge it with other power adapter, or
it may cause fire or explosion.
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