Sony PCG-NV290 - Manual (Page 17)

Using the Battery
17
❑ Alarms tab — Displays the alarm settings, which notify you when the
battery is fully charged or too low. You can change your computer’s alarm
settings on this window.
The battery icons that appear on the Battery Information toolbar and the
Battery Information window indicate the current status of the installed battery.
Charging a battery
You will need to charge the battery if battery power drops below 10 percent or
you have not used the battery for a long time. The lithium-ion battery supplied
with your computer may be recharged at any time, whether you wait until the
battery is completely or partially discharged. Charging a partially discharged
battery does not affect battery life. If you charge the battery and find that battery
power is still low, the battery may be reaching the end of its life, and you may
need to replace it.
✍
Click Help in the lower right corner of the window for more information.
Battery icon Battery status
Charging
Fully charged
Discharging
No battery
✍
The battery supplied with your computer is not charged at the time of purchase.