4-Cell Battery For Portable Oxygen Concentrator NT-03&NT-05


Style: 1 battery

1 battery
2 batteries
1 battery+1 charger


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Delivery time:

 About 5-10 Business Days(Note: We do not support PoBox addresses)

Please note:

1. The accessories will be shipped separately from the oxygen concentrator
2. The oxygen concentrators take about 3-6 business days to arrive. (US)
3. The accessories do not apply to the return and refund policy.

 The battery and charger only match the Portable Oxygen Concentrator NT-03/NT-05

More details about the Oxygen Concentrator NT-03 machine.

More details about the Oxygen Concentrator NT-05 machine.

2500 mAh Battery

Using time
2.5 hours for NT-03; 2 hours for NT-05
Charging time
3~5 hours


0.67 lb
Charging voltage


Car charger

  • With CE certification
  • Input:100V~240V 50-50Hz
  • Output:16.8V 3A

    To ensure fast shipping and excellent service, we have placed warehouses in the United States: one in California and the other in New Jersey. This means that, no matter where you are, you can enjoy the convenience of quick delivery and exceptional service when purchasing Oxygenvip products. 

    Shipping and Delivery

    How Long Will It Take For My Package To Arrive?
    US: about 3-6 Business Days(Note: We do not support PoBox addresses)
    CA:about 5-10 Business Days
    Other: about 7-15 Business Days
    US: About 5-10 Business Days(Note: We do not support PoBox addresses)
    Other:About 10-20 Business Days
    How Much Is Shipping?
    We offer free shipping on orders within the U.S. and Canada.
    For shipping to other countries, the charges will be calculated based on the distance and actual conditions. We strive to provide the most competitive rates . During the checkout process, the shipping cost will be automatically calculated and displayed for your review before finalizing your order.
    How Do You Ship Your Packages?
    We cooperate with large logistics carriers Fedex/UPS/USPS/DHL to ensure the product can be delivered quickly and safely to your hands.
    How Does Your Shipping Process Work?
    For each and every order we have the same shipping process
    Place an order→Receive confirmation email→Order shipping email→Logistics update email
    An email will be sent to you during each order process.If you don't see any of these emails in your inbox, we recommend checking your spam or junk folder as they may have been redirected there by mistake. If you still can't locate the emails or have any other concerns, our dedicated customer service team is here to assist you. Simply reach out to us, and we'll be more than happy to help.
    Do you ship to a P.O. box?
    Unfortunately, we are unable to ship to P.O. Box addresses. Please provide a physical address for delivery, and we will ensure your products are shipped securely and promptly to your designated location.

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