Inogen External Battery Charger w/ Power Supply for G2 Oxygen Concentrator

This is an External Charger for the Inogen One G2 Portable Oxygen Concentrator. It comes with an External Battery Charger, Power Supply, and AC Input Cord. It charges both single 12-cell (BA-200) and double 24-cell (BA-224) batteries. It takes approximately 3 hours to charge a fully depleted single battery and approximately 6 hours to charge a fully depleted double battery.