ResMed Astral External Battery

About the ResMed Astral External Battery All battery purchases are final sale. There are no returns on batteries 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. ResMed Astral Battery Features Provides up to 8 hours of backup power Battery with integrated DC output cable and DC input port External battery is compatible with the Astral 100 and 150 series ventilators The battery can charged using the Astral AC Adapter. It can also be charged using the Astral DC Adapter - SKU# 27925 Astral Battery Specifications Brand: ResMed Series: Astral Product Type: External Battery Length: 6.61" Width: 4.09" Height: 2.83" Weight: 2.65 lbs (Typical) Color: Black Battery Type: Lithium-ion Capacity: < 100 Wh (97 Wh) UN Classification: UN3480 (lithium-ion batteries) Power Supply Input Range: 100 - 240V, 50 - 60Hz, 1.0 - 1.5A, Nominal for aircraft use 110V, 400Hz Battery Output Voltage: (20V / 24V) ± 1V, 90W continuous Battery Output Current (rated): 4.5 A / 3.75 A Typical Life Cycle: 400 charge cycles at 23°C to 80% capacity Operating Conditions Charging: 10°C to 35°C; 5 - 93% maximum humidity Operating Conditions Discharging: 0°C to 40°C; 5–93% maximum humidity Transport/Storage Conditions: -20°C to +50°C; 5–93% relative humidity (noncondensing) Operating/Storage Air Pressure: 700 hPa to 1100 hPa Recharge Time: < 6 hrs to full level (100%) Battery Run Time: < 8 hrs of typical use Astral Battery Product Documents User Guide