Portable Oxygen Concentrator with 1 battery home/travel/car

Technical Parmeter: Size: 260(L)*110(W)*170(H) mm Weight: 2.4KG for the full unit including Generating unit + adapter + lithium battery (15V,4A) + charger ( Generating unit+ adapter is only 2.0KG) Airflow outlet: Approx 3L/min (standard atmospheric pressure) Concentration: 29%+/-2%( standard atmospheric pressure) Power Consumption: average below 32 W Rated Voltage: AC 100-240V 50-60HZ or DC 12-17V Noise: below 50dB Application temperature: 540C Application humidity: below 90%RH Storage temperature: 040C Storage humidity: below 80%RH Include : 1 x Main oxygen concentrator 1 x Power adapter 1 x Carry Bag 1 x Extender tube with vaporizer capsule 1 x Rechargeable Lithium Battery (We also provide addtional Lithium Battery. Cost price 79USD for each one) 1 x Lithium Battery charger 1 x Nasal Cannula 1 x Power Cord Product pictures: 1 Piece of English User Maunal