Lenovo Portable Computer User Manual
2、Please only use and charge the battery that comes with
the computer.
2. Operate the computer on the battery power until the battery is fully
discharged.
3. Do the step 1 and 2 for another two times. The charging time must be
longer in the second and third time to ensure the battery reaches the
maximum capacity. After the above steps, you can use the battery
normally.
1.3.2 Using Battery
When your computer does not connect to an external power source, the
battery will automatically supply the power for your computer. The fully
charged battery’s operating time is about 3~4 hours. (It is based on the
maximum of the Battery Mark test result.)
The actual operating time varies that based on different factors, such as
LCD brightness, system power management property, application,
computer peripheral usage, battery accumulative using time, etc.
You can plug the adaptor into DC IN Jack to charge the battery. The state
of battery charging will display through the battery indicator at front of the
computer.
Hint: Whether the battery is installed in the computer or not, it
always self-discharges. (About 1% a day)
If the battery has not been used for a long time, it may have no power due
to self-discharge; it is the inherent feature of lithium-ion battery. You
should use the external power source or recharge the battery.
If you still cannot turn on the computer (the battery indicator also no flash),
it means the battery is in self-protection state. Charge the battery for 2~4
hours to activate the battery. Turn on the computer again when the battery
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