Respironics EverGo Oxygen Concentrator Rechargeable Battery has extra-long battery life which offers patients the freedom to be active and independent to an electricity outlet for a longer period of time.
The Respironics EverGo Battery will last approximately 4-hours when the concentrator is on a Setting of 2.
EverGo Batteries will recharge in the concentrator whenever it is connected to an AC or DC power. In addition batteries can be recharged outside of the concentrator using the EverGo Battery Charger which is sold separately HERE.
Please note: Each battery includes an LED "fuel gauge" to help determine current battery charge. When inserted into the EverGo Concentrator the Respironics logo on the battery should face the INSIDE of the device.