Inogen G5 concentrator w/ standard battery $3000

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The G5 standard battery provides extra battery life to your Inogen One G5 portable oxygen concentrator unit. This lightweight, rechargeable 8-cell lithium ion battery can last up to 6.5 hours*. The Inogen One G5 delivers the independence of a portable concentrator that is light enough to be worn care-free by the active oxygen user. That means there are no tanks to refill and no worry about running out of oxygen.

It can easily be charged in unit with AC/DC cables or externally with the Inogen One G5 External Battery Charger.

*Battery time varies with flow setting