KFD products are CE / FCC / RoHS certified,Warranty: 30 Days Free Exchange /36 Months Warranty Input: DC 12V Output:120W Max ; OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. KFD Car 12V DC Power Cable Adapter Compatible with Inogen One G3 , Inogen One G4 , Inogen One G5 DC Power Cable Model# BA-306 BA301 BA-503 BA306 BA301 BA503 Auto Vehicle Boat RV Camper Cigarette Lighter Plug Power Supply Cord Cable Battery Charger US Mains Compatible with: Inogen G3 IO-300 IO300 10-300 I0-300, Inogen G3 OxyGo Fit 1400-1000 14001000, Inogen G4 IO-400 IO400 I0-400 10-400, Inogen G4 Oxygo Fit 1400-2000 14002000 Adapter Charger Power Supply Cable Cord, Inogen One G5 Oxygen Concentrator Model IO-500 I0-500 10-500 Power Supply Charger Adapter Compatible with: OxyGo NEXT Portable Oxygen Concentrator, OxyGo FIT Portable Oxygen Concentrator, Oxygo Next Portable Oxygen