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Inogen One G3 8 cell Battery

Inogen One G3 8 cell Battery

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Estimated Arrival: Between Apr 27 and Apr 29. *ETA to the USA Only

Why Buy From My Relief Pain

Inogen One G3 Rechargeable Lithium-Ion Cell Battery - BA-300 - 8 Cell

Inogen One G3 Rechargeable Lithium-Ion Cell Battery will power the Inogen One G3 Portable Oxygen Concentrator System (Code IS-300-NA) without connection to an external power source. When connected to an AC or DC power supply, it will charge automatically while in the Inogen One G3 system (when connected to an AC or DC power supply) or using the external battery charger.


  • Inogen One G3 Rechargeable Lithium-Ion Cell Battery is the perfect power source for shopping trips, seeing a movie, or a dinner out with friends.
  • When fully charged, the 8 cell battery will last up to 4 hours, and the 16 cell battery will last up to 8 hours at an average flow rate of 2
  • Higher flow settings, such as 4 or 5, will reduce overall battery time.
  • NOTE: This product is Non-Returnable


We have put a lot of focus on making sure the items get delivered to our customers as quickly as possible.

Please Note: Estimated Ship Timelines Do Not Include Handling/Production Time!

Delivery Time = Handling time + Transit time

All the products will be put through a production process, therefore there will be a Handling Time on them. 



Handling time: 1 – 2 Business days (Monday to Friday)

Transit time: 3 – 5 Business days (Monday to Friday)

Shipping Rate:

For United States Orders:

Rate name
     Minimum purchase
Shipping fee
Free Shipping$80.00 or moreFREE
Basic Shipping$0.01 - $29.99$12.99
Standard Shipping$30.00 - $79.99$16.99

Returns & Refunds

If you are not entirely happy with your purchase, you can return your item/s within 30 days of delivery for a full refund of the original payment.

Once we have received the product(s) and, if appropriate, any packaging, a refund will be credited to the payment card account within two weeks; please note that it may take up to 14 days for your bank to credit your account. We are not liable and cannot take responsibility for any bank charges you may incur during the refund process.

Return Costs

Your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging to be eligible for a return. You’ll also need the receipt or proof of purchase.

No Restocking Fee

To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label and instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.


After reviewing this policy, if you have additional questions, want more information about our privacy practices, or would like to make a complaint, please contact us by e-mail at or by mail using the details provided below:

My Relief Pain, 14422 Shoreside Way Ste 110, Winter Garden Florida 34787, United States

Phone number: +1 321-333-9520


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