2
Charging the Supplemental Battery
NOTE: For this procedure, refer to FIGURE 2.
1. Connect the AC or DC power adapter
to the supplemental battery pack.
2. Connect the other end of the AC or DC
power adapter into the appropriate
power source.
NOTE: If completely discharged, the
supplemental battery will fully charge in
approximately 4 hours.
FIGURE 2
Charging the Internal and Supplemental Battery Pack
Simultaneously
NOTE: For this procedure, refer to FIGURE 3.
1. To charge the supplemental battery
pack and internal battery together,
perform the following:
A. Connect the AC or DC power
adapter to the supplemental battery
pack as shown.
B. Connect the supplemental battery
pack to the XPO
2
as shown.
C. Plug the other end of the adapter
into the power source.
NOTE: The internal battery charge status will
be indicated by the XPO
2
battery gauge and the
supplemental battery charge will be indicated
by the illuminated lights (bars) located on the
supplemental battery pack assembly.
NOTE: You may operate your XPO
2
Portable
Concentrator while the internal and/or the
supplemental battery is being charged. Use of
the XPO
2
during charging will lengthen the
amount of time required to reach full charge
status of the batteries.
FIGURE 3
Supplemental Battery Pack Simultaneously
AC or DC Power Adapter
Supplemental
Battery Pack
To Outlet
(Power Source)
Battery Gauge
Supplemental Battery Pack
AC or DC
Power
Adapter
To Outlet (Power Source)
