Description
Quick answer: This is the genuine ResMed external battery for the Astral ventilator (part 27919, Americas version). It provides additional portable power beyond the device’s internal battery — useful for moving around, travel, and as backup during a power outage. It connects to the Astral and supplements the internal battery, extending run time away from mains power. Use as directed in the Astral user/clinical guide.
What’s included
- 1 × ResMed Astral external battery (part 27919)
Confirm whether cables, charger, or mounting hardware are included in your configuration — items may be supplied separately.
About this battery
The Astral has an internal battery for short periods away from mains power; the external battery extends that considerably, giving greater freedom of movement and an added layer of backup power. It’s designed specifically for the Astral platform, so it connects and communicates correctly with the device, and charge status can be monitored on the ventilator. This is the Americas version of the battery. Keep it charged and follow the manufacturer’s storage and charging guidance so it’s ready when you need it.
Key features
- Genuine ResMed external battery (27919) — made for the Astral ventilator.
- Extends run time — supplements the Astral’s internal battery.
- Supports mobility — power away from a wall outlet.
- Backup during power interruptions — added peace of mind at home.
- Americas version — regional configuration.
Specifications
| Specification | Detail |
|---|---|
| Product type | External battery for ventilator |
| Compatible device | ResMed Astral series |
| Region | Americas |
| Function | Supplemental / backup power |
| ResMed reference / SKU | 27919 |
| Run time | Varies by device settings and therapy — see the Astral user guide |
| Prescription | Clinician-directed use |
| Brand | ResMed |
Important use & handling notes
Charge and store the battery per the Astral user guide and the battery’s own instructions. Do not expose it to excessive heat, moisture, or physical damage, and do not attempt to open or modify it. Battery run time depends on the ventilator’s settings and the patient’s therapy, so confirm expected duration with your clinical team — an external battery is a supplement to, not a substitute for, the backup power plan advised by your provider. Charge the battery fully before travel or before relying on it during a power outage.
Frequently asked questions
What does the external battery do?
It provides additional power to the Astral beyond the internal battery — for moving around, for travel, and as backup if mains power is interrupted.
Which device does it fit?
The ResMed Astral series. This is the Americas version.
How long does it last on a charge?
Run time depends on the ventilator’s settings and therapy. Refer to the Astral user guide and confirm expected duration with your clinical team.
Is it a replacement for the internal battery?
No — it supplements the internal battery to extend the time you can operate away from mains power.
Can I take it on a plane?
Airlines have specific rules for medical device batteries. Check with your airline in advance and follow their documentation requirements.
Can I get it delivered in Brooklyn or shipped nationwide?
We offer local pickup and delivery in Brooklyn and across NYC. Because this is a lithium battery, shipping is subject to carrier regulations — please contact us at (646) 933-0080 and we’ll confirm delivery options for your address.
This is a medical device accessory for use under clinical direction. Follow the Astral user/clinical guide and the battery handling instructions. Ensure you have a backup power plan appropriate to the patient’s needs, as advised by your healthcare provider.
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