CJP-Geek AC Adapter Power Supply Charger for BA-301 Inogen One G2 G3 Concentrator *Replacement Product. Tested Units. In Great Working Condition. *World Wide Input Voltage 100-240VAC 50/60Hz *OUTPUT: 19V 6.32A 120W (Tip: 5.5mm 2.5mm ) *COMPATIBILITY: BA-301 Inogen One G2 G3 Concentrator *ONE YEAR WARRANTY: OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)