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This area of our site caters to GPs, sleep therapists and sleep lab nurses.
The Astral™ external battery has been designed specifically for use with the Astral series of ventilators. It is an external lithium-ion battery intended for hospital and home use to provide increased battery capacity and autonomy with an additional eight hours of electrical autonomy during typical use. The combination of the internal battery and two external batteries provides up to 24 hours of run-time.