Oxygen on the go is what the EverGo Portable Oxygen Concentrator is all about. The rechargeable lithium ion battery provides approximately 4 hours of run-time at a flow rate of 2.
The battery can be recharged two ways:
1. When installed in the concentrator while the concentrator is plugged into a wall outlet.
2. When using an optional battery charger, sold separately.
This battery is Philips Respironics part number 900-102. It includes a manufacturer's 90-day warranty.