HP Compaq Presario C310EU Notebook PC - Manual (Page 47)

3. Pivot the battery pack (2) away from the computer and remove it from the computer (3).
Charging a battery pack
To prolong battery life and optimize the accuracy of battery charge displays:
WARNING! Do not charge the computer battery pack on board aircraft.
● If you are charging a new battery pack:
● Charge the battery pack while the computer is connected to external power through the AC
adapter.
● When you charge the battery pack, charge it fully before turning on the computer.
● If you are charging an in-use battery pack:
● Allow the battery pack to discharge to about 10 percent of a full charge through normal use
before charging it.
● When you charge the battery pack, charge it fully before turning on the computer.
A battery pack inserted in the computer charges whenever the computer is connected to external power
through an AC adapter or an optional power adapter.
A battery pack inserted in the computer charges whether the computer is off or in use, but the battery
pack charges faster while the computer is off. Charging may be delayed if a battery pack is new, has
been unused for 2 weeks or more, or is much warmer or cooler than room temperature.
The battery light displays charge status:
● On: the battery pack is charging.
● Blinking: the battery pack has reached a low-battery condition and is not charging.
● Blinking rapidly: The battery pack has reached a critical low-battery condition and is not charging.
● Off: the battery pack is fully charged or not installed.
For information about determining the amount of charge in a battery pack, refer to "Monitoring the charge
of the battery pack."
ENWW Battery packs 41