Accessories
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Connecting to a ResMed Power Station (RPSII)
The RPSII provides the Astral device with eight hours of power during typical use. To use, connect the
power cord of the RPSII to the DC inlet port on the device.
CAUTION
When using the Astral device with an RPSII, the internal battery will not be charged.
• Do not use the RPSII and external battery together.
Using the internal battery
An internal battery is included in the Astral device. It ensures a continuous power supply when mains
power is disrupted and no external battery is connected to the device. When the Astral starts using the
internal battery as its power source, you are notified by the Internal battery use alarm and with the
internal battery power source indicator.
The internal battery operates for approximately eight hours under typical conditions. During ventilation,
alarms will alert the user to a low battery condition. During standby, no alarms will be announced. The
user should regularly check the battery status.
WARNING
When using the Astral device as a backup ventilator, ensure the internal battery level is
checked on a regular basis.
• As the battery ages, the available capacity decreases. When the remaining battery capacity is
low, do not rely on the internal battery as the primary power supply.
• The internal battery should be replaced every two years, or when there is a noticeable
reduction in usage time when fully charged.
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