Replacing The Internal Battery - ResMed Astral Series Clinical Manual

Replacing the internal battery

WARNING
Turn off and disconnect oxygen before replacing the internal battery.
CAUTION
•
Lithium-ion batteries have built-in safety protection circuits, but can still be dangerous if they
are not used correctly. Damaged batteries can fail or catch fire.
•
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.
•
Only recharge the internal battery inside the device or by using a ResMed approved charger.
Avoid hard, physical impact on the device.
•
Use the internal battery in accordance with the intended use stated in this guide. Damage to
equipment or injury can result from modifying the equipment or its operation.
•
The internal battery should be replaced every two years or sooner when there is a noticeable
reduction in usage time when fully charged.
To remove and replace the internal battery:
Before replacing the internal battery, turn off the Astral device and remove from mains power.
1. Turn over the device and unscrew the battery cover.
2. Remove the battery cover from the device.
3. Remove the battery from the device.
4. Insert a new battery into the battery enclosure. Ensure the connectors on the battery sit face down
into the enclosure against the battery connection points on the device.
5. Replace the battery cover.
6. Screw the battery cover securely in place.
Cleaning and maintenance
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