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This area of our site caters to GPs, sleep therapists and sleep lab nurses.
The Astral™ external battery has been specifically designed for use with ResMed's Astral series of ventilators for hospital and home use. With the capacity to connect to one or two external batteries, each providing up to 8 hours of power, Astral can operate continuously for up to 16 hours. Astral also features an internal battery that provides up to 8 hours of extra backup power if needed.