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Medical Grade Accessories
Extended Freedom for Your Active Lifestyle
High-Capacity External Battery for the LONGFIAN™ Portable Oxygen Concentrator. Designed for reliability, safety, and seamless integration.
FDA Compliant Design
Certified Safety Standards
Enhance Your MobilityIn Stock & Ready to Ship
Why Choose Original LONGFIAN™ Power
Extended Runtime
Double your machine's operation time, allowing for longer trips and worry-free outdoor activities.
Rapid Charge Tech
Advanced lithium-ion cells support fast-charging cycles to keep you moving without long downtime.
Compact Form Factor
Sleek, lightweight design that fits perfectly alongside your portable oxygen concentrator.
Common Questions
How long does the battery last on a full charge?
Depending on your flow setting, the battery typically provides 2-4 hours of additional runtime for the LONGFIAN™ series.
Is this battery airline approved?
Yes, this battery meets FAA requirements for lithium-ion batteries under 100Wh, making it safe for air travel.
How do I know when it's fully charged?
The unit features an integrated LED indicator system that displays charge levels in real-time.