External Battery Charger for EverGo Portable Oxygen Concentrator

External Battery Charger for EverGo Portable Oxygen ConcentratorThis charger keeps my extra batteries for the Resperonics Evergo powered and ready to supply my O2 needs on the go. I am on 3 LPM with a high breath rate so I get about 4-5 hours out of two charged batteries. This charger keeps my extra batteries ready. It charges quietly and efficiently.

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