The Inogen One G4 External Battery Charger is a practical external battery charger for the batteries of the Inogen One G4 portable oxygen concentrator. This charger allows you to charge your battery separately from the concentrator. This means you can continue to use the oxygen concentrator whilst an extra battery is being charged separately.

Benefits:
Charges Inogen One G4 batteries externally
Keeps a spare battery ready for use
Reduces waiting time between charging sessions
Compact and lightweight
Handy for use at home and when travelling
Easy to connect to the mains
LED indicator shows the charging status