Lenovo Portable Computer User Guide
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cannot shut down automatically. In this case, press the
power button “ ” for 4~5 seconds to turn off the
computer.
Note If you are using the Windows operating system, you’d
better use the operating system to turn off the computer
to avoid data loss.
1.4 Using battery pack
1.4.1 Activate the battery
The battery that comes with the computer is a lithium-ion battery.
The battery might contain a little power when you use for the first
time. Operate the computer on the battery power until the battery is
fully discharged. Then follow the following steps to activate the
battery.
Step 1.
Uninterruptedly charge the battery for a long time.
Step 2.
Operate the computer on the battery power until the battery
is fully discharged.
Step 3.
Do the step 1 and step 2 for another two times. The charging
time must be longer in the second and third time to ensure the
battery reaches the maximal capacity.
Hint
Charge more than 6 hours when the computer is off;
charge more than 8 hours when the computer is on.
