External Battery Charger for Inogen One G3

This external battery charger is used to charge Inogen One G3 batteries independently of the concentrator. This charger is an ideal solution when using multiple batteries. The charger comes with a seperate power supply (100-240V) and it can charge the BA-300 battery in 2 just hours! The BA-316 battery can be charged in 4 hour using this charger.