OxLife Independence External Battery Charger (Single Bay)

Without needing to plug into your concentrator, this external battery charger conveniently charge your extra batteries so they are fully charged when you need them. When your battery is fully charged, the green LED light will turn solid. The OxLife Independence external battery charger also has the capability of re-calibrating your batteries - simply push the button and a solid blue LED light will turn on until your battery is re-calibrated. When the battery has been calibrated, the light will turn off.