New design high quality mini battery portable oxygen concentrator for sale Weight2.5 KGwith BatterySound Level43 dB at Pulse Setting 2SizeSMALLESTOperating Temperature41 Degree Fahrenheit to 104 Degree Fahrenheit (5 Degree Celsius to 40 Degree Celsius)FiltrationInternal Bacteria FilterBrandPhilipsUsageHospital,HomeStorage Temperature-4 Degree Fahrenheit to 140 Degree Fahrenheit (-20 Degree Celsius to 60 Degree Celsius) unit onlyAltitudeUp to 10,000 ft. (3048 m)DC PowerInput 11.5 to 16 VDC,18 A max,Output 19 VDC,7.9 A maxAC PowerInput 100 to 240 VAC,50/60 Hz,1.7 A max,Output 19 VDC,7.9 A maxPower Consumption150W While Charging,120W While not ChargingOxygen Concentrations87 to 96% at all SettingsContinuous Flow Settings0.5 LPM,1 LPM,1.5 LPM,2 LPM