Lenovo 3000 Y100 User Manual page 21

Lenovo Portable Computer User Manual
indicator flashes.
Hint: If you do not use the computer for a long time, please
remove the battery pack and store it separately.
Note: Charge and discharge the battery at lease once a month to
avoid the battery malfunction due to over-discharge.
1.3.3 Battery Initialization
After a long time using, the battery's operating time is much shorter than
the first use. The reason is the lithium-ion battery memory effect. You can
do the battery initialization to erase part of the memory effect.
The battery initialization is the process of fully-charging the battery,
fully-discharging and fully-charging it again. Please follow the steps below
to perform the battery initialization:
Make sure the computer is turned off，connect the computer to an
external power source to charge the battery.
Turn on the computer when the battery is fully-charged. Press [F2] to
enter the BIOS setup programme.
Unplug the AC adaptor; let the computer operate on the battery power
until it automatically turns off due to end of battery power.
Plug the AC adaptor to fully charge the battery.
Repeat the above steps for 2 or 3 times, you can erase part of the
battery memory effect to extend the battery life.
Hint：Because the lithium-ion battery has certain operating life,
please use the external power source as possible as you can
to decrease the using times of battery pack and extend the
battery operating life.
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