Tinkon 150W 120W AC Power Charger Adapter Supply for Inogen One G1 G2 G3 G4 G5 Oxygen Concentrator;

Item Description:
Input: 100-120 V 50-60GHz 
Output: 19.5V 7.7A 150W Power 
connector: 5.5mm*2.5mm 

Compatible Model:
ASUS G50 series: G50 G50V G50Vt G50VT-X1 G50VT-X5 G51Vx  
Asus G53 series: G53S G53SW G53j G53JW G53SX G53SX-XR1 G53SX-XT1 
Asus G55 series: G55vw G55vw-ds71 G55-es71
ASUS G60 Series: G60vx G60jx G60j G60v
ASUS G70 series: G70 G70G
ASUS G71 series: G71G, G71Gx, G71Gx-A2, G71G-X1, G71Gx-X2, G71V
ASUS G72 series: G72G, G72Gx, G72Gx-A1
ASUS G73 series: G73, G73Jh, G73Jh-A2, G73Jh-X1 G73sw G73jw
ASUS G74 series: G74sx-dh71 G74sx-a1 G74sx-bbk8 G74sx-dh73-3d G74SX-BBK7 G74SC-BBK8 G74SX-XN1
ASUS G75 series: G75vw-ds72 G75vw-bbk5 G75vw-ds73-3d G75vw-ts71 G75vw-ts72 G75vw-rs72