IBM 600E - ThinkPad 2645 - PII 400 MHz, User Manual

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Using the Battery Pack
If you use your ThinkPad computer with the battery pack, you need
to conserve the power for long operation. The ThinkPad computer is
provided with power management for saving battery power, and it
always indicates the battery status. This chapter describes the
functions for battery operation.
Charging the Battery Pack
You can charge the battery pack when the AC Adapter is connected
to the computer and the battery pack is installed. You need to
charge the battery pack in any of the following conditions:
When you purchase a new battery pack
If the battery status indicator starts blinking
If the battery pack has not been used for a long time
Notes:
1. Before you charge the battery pack, ensure that its temperature is at
least 10°C (50°F).
2. If the battery pack has not been used for a long time, it will not be fully
charged with only a single charging. You will have to completely
discharge it; then recharge it three to six times to maximize battery
operating time.
Monitoring the Battery Status
Using the Battery Status Indicator
The battery status indicator shows the current status of the battery
pack (only when the battery is installed).
Compare the battery status indicator with the following table to
determine the condition of your battery:
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