Lenovo 3000 Series - Manual (Page 22)

Lenovo Notebook Computer User Guide
The battery might contain a little power when you use it for the first
time. Operate the computer on the battery power until the battery is
fully discharged. Then complete 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 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 aforesaid steps,
you can use the battery normally.
Hint: Charge more than 6 hours when the computer is off;
charge more than 8 hours when the computer is on.
Note: 1. Do not unplug the power connection during the
charging.
2. Use and charge only the battery that comes with the
computer.
1.3.2 Using battery
When your computer is not connected to an external power source,
it will automatically supply power for your computer. The
fully‐charged battery operates for about 3~5 hours (based on the
maximum of the Battery Mark test result).
The actual operating time varies with different factors, such as LCD
brightness, system power management property, application,
computer peripheral usage, and battery accumulative using time.
You can plug the adaptor into a DC IN Jack to charge the battery.
The state of the battery charging will display through the battery
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