Managing Power 3-3
Battery Pack
The battery pack is the internal power source for the tablet PC. It is
rechargeable using the AC adapter.
The operating time of a fully charged battery pack depends on how you
are using the tablet PC. When your applications often access peripherals,
you will experience a shorter operating time.
NOTE: Care and maintenance information for the battery is provided in the
“Battery Pack Guidelines” section in Chapter 7.
Charging the Battery Pack
NOTE:
z Charging will not start if the battery’s temperature is below 0 °C (32 °F). It is
also recommended not to charge the battery when temperature is above 35
°C (95 °F).
z To prevent damage, the charging process may stop and the Battery Charge
Indicator flashes red when the environmental temperature gets above 55 °C
(131 °F).
z During charging, do not disconnect the AC adapter before the battery has
been fully charged; otherwise you will get a prematurely charged battery.
To charge the battery pack, connect the AC adapter to the tablet PC
and an electrical outlet. The Battery Charge Indicator (
) on the tablet
PC glows amber to indicate that charging is in progress. You are advised
to keep the tablet PC power off while the battery is being charged. When
the battery is fully charged, the Battery Charge Indicator glows green.
It takes approximately 3 hours to fully charge the Li-Ion battery pack at a
room temperature of 25 °C (may need a longer charging time at lower
temperatures).
CAUTION: After the tablet PC has been fully recharged, do not immediately
disconnect and reconnect the AC adapter to charge it again. Doing so may
damage the battery.
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