NEC Direction SP User Manual page 145

!
The battery can explode if it is incorrectly replaced
or improperly discarded. Use only the same battery
or an equivalent type recommended by the
manufacturer when replacing the battery.
Lithium acts as a catalyst when exposed to water
and causes spontaneous combustion on contact.
Discard used batteries
manufacturer's instructions.
If you need to replace the battery, follow these steps:
Turn off and unplug the computer and any external
1.
components connected to it.
Remove the system access cover. See Chapter 5.
2.
Observe all safety precautions when removing the cover.
Locate the battery on the system board. You may have
3.
to remove any expansion boards in the way.
WARNING
according to
If You Have a Problem 8-11
the