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Battery Pack
32 User’s Guide
Charging the Battery
To charge the battery, place the battery pack inside the
battery bay and plug the AC adapter into the computer and
an electrical outlet.
Charging Modes
The adapter has three charging modes:
❑ Rapid mode
The computer uses rapid charging when power is turned
off and a powered AC adapter is connected to it. In rapid
mode, a fully depleted battery gets fully charged in
approximately two hours.
❑ Charge-in-use mode
When the computer is in use with the AC adapter
plugged in, the computer also charges the battery pack if
installed. This mode will take longer to fully charge a
battery than rapid mode. In charge-in-use mode, a fully
depleted battery gets fully charged in approximately
three to four hours.
❑ Trickle mode
When the battery is fully charged, the adapter changes
to trickle mode to maintain the battery charge level.
This prevents the battery from draining while the
computer is in use.
Note: We suggest that you charge the battery pack before
retiring for the day, letting it charge overnight before
traveling. This ensures a fully charged battery for use the
next day.
500-e.book : 500-2e.fm Page 32 Monday, August 17, 1998 9:36 PM