A portable oxygen concentrator, sometimes called a POC, is similar to a home oxygen concentrator (OC) but more mobile, says Corrielus. These devices are small enough to carry, which makes them ideal for travel, and some are approved for use on airlines.
| item | oxygen concentrator |
| power supply | ~220V±22V,50Hz±1Hz |
| size | 445*372*680mm |
| oxygen flow | 1~5L/min |
| oxygen concentration | ≥90% |
| input power | 500VA |
| weight | 28kg |
| operation noise | ≤60dB(A) |
| output pressure | 30~70kPa |