This is the 12v DC adpter for Philips Respironics SimplyGo Portable Oxygen Concentrator. It can plug into vehicle's cigarette outlet. It can recharge the SimplyGo battery . This is a must-have accessory for SimplyGo Oxygen Concentrator when you are traveling.
Note from the Manufacturer: Make sure the vehicle has been started before plugging in your DC Power Supply. If you operate the SimplyGo system using the DC Power Supply while the vehicle is turned off, you could drain the vehicle's battery.