Product specifications Oxygen concentrations2 At least 87% at all settings (maximum of 96%) 2Based on atmospheric pressure of 14.7 psia (101 kPa) at 70 F (21 C) Outlet pressure 20 psig Flow settings and pulse volumes Setting Nom. pulse vol. at 20 BPM Max. minute vol. output 1 11 ml 220 ml/min 2 22 ml 440 ml/min 3 33 ml 660 ml/min 4 44 ml 880 ml/min 5 50 ml 1,000 ml/min +/- 25% or 6 ml, whichever is greater (average of 20 consecutive pulses) over the rated environmental range Sound level 43 dBA typical at settings 2 and 20 BPM; 46 dBA typical at settings 5 and 20 BPM Physical characteristics Size With standard battery: 9.4 in. x 8.3 in. x 3.6 in. (23.9 cm x 21.1 cm x 9.1 cm) With extended battery: 10.2 in x 8.3 in x 2.6 in (25.9 cm x 21.1 cm x 9.1 cm) Weight 5 lbs. (2.3 kg) with standard battery installed 6 lbs. (2.7 kg) with extended battery installed User interface Touch screen LCD Operating conditions Operating temperature 41 F to 95 F (5 C to 35 C) Relative humidity 15% to 93% Altitude Up to 10,000 ft. (3,048 m) AC power Input 100 to 240 VAC, 50/60 Hz Output 19 VDC, 6.3 A max Power consumption 120 W while charging DC power Input 12 16 VDC Output 19 +/- 5% VDC, 6.3 A Audible alarm Sound level 56 dBA or greater when measured at 1 m Alarm type No breath, low oxygen concentration, high breath rate, technical fault, low battery, no flow, depleted battery, external power failure Typical battery duration on pulse setting 2, 20 BPM3 Standard battery Up to 4.5 hours Extended battery Up to 9 hours 3Battery duration times are based on new, fully charged batteries used with a new SimplyGo Mini System. Battery duration times will degrade with battery age, environmental operating conditions, use over time, and operational condition of the concentrator. Battery Chemistry Lithium ion 14.4 VDC (nominal) Battery options Standard battery, Extended battery (equals two standard batteries) Dimensions Standard battery: 7.9 in. x 3.6 in. x 1.0 in. (20.1 cm x 9.1 cm x 2.5 cm) Extended battery: 7.9 in. x 3.6 in. x 1.9 in. (20.1 cm x 9.1 cm x 4.8 cm) Weight Standard battery: 1.1 lbs. (0.50 kg) Extended battery 2.1 lbs. (0.95 kg) Watt-hour rating 3.4 Ah x 3.6V x 8 cells = 97.9 Wh per standard battery per standard battery Charge time Standard battery: 4 hours maximum Extended battery: 8 hours maximum