Asus N55SL Manual page 18

1
Battery Lock - Spring
The spring battery lock is used to keep the battery
pack secured. When the battery pack is inserted, it will
automatically lock. To remove the battery pack, this spring
lock must be held in the unlocked position.
2
Battery Pack
The battery pack is automatically charged when the
Notebook PC is connected to an AC power source and
maintains power to the Notebook PC when AC power is
not connected. This allows use when moving temporarily
between locations. Battery time varies by usage and by
the specifications for this Notebook PC. The battery pack
cannot be disassembled and must be purchased as a single
unit.
3
Engineering Opening
This Engineering opening is reserved for technical
personnel ONLY. It is not designed for upgrading or
replacing hard disk drives or memories.
DO NOT unscrew and open this Engineering opening without
technical personnel. Always contact an authorized service center
or retailer for this Notebook PC whenever needed.
18 Notebook PC User Manual