Backup Battery for 5L Portable Oxygen Concentrator (Longfian)

The Backup Battery for 5L Portable Oxygen Concentrator (Longfian) provides extended power support, ensuring uninterrupted oxygen therapy during travel, power outages, home use, or ambulance transport.

Designed specifically for Longfian 5L portable oxygen concentrators, this high-capacity lithium-ion battery delivers reliable performance with long runtime, fast charging, and excellent safety protection.

Ideal for patients requiring mobility or emergency backup, this battery ensures your oxygen concentrator runs continuously when AC power is unavailable.

 Key Features

• ✔️ High-capacity lithium-ion backup battery

• ✔️ Compatible with Longfian 5L portable oxygen concentrators

• ✔️ Provides extended runtime for continuous oxygen therapy

• ✔️ Fast charging with long cycle life

• ✔️ Lightweight and travel-friendly

• ✔️ Built-in safety protection (overcharge, overheat, short-circuit)

• ✔️ Essential for travel, home care, power outages & emergency use

Parameter	Specification
Device Type	External Backup Battery
Compatible Model	Longfian 5L Portable Oxygen Concentrator
Battery Type	High-capacity Lithium-Ion
Voltage	24V DC (depending on Longfian model variation)
Capacity	6000mAh – 8000mAh (varies by batch)
Runtime	1.5 – 3 hours depending on oxygen flow setting
Charging Time	3 – 4 hours
Cycle Life	≥ 500 charge cycles
Safety Protection	Overcharge, over-discharge, over-current, short-circuit, temperature control
Weight	Lightweight (0.8 – 1.2 kg depending on model)
Charging Method	AC power adapter or car charger (where supported)
Usage	Travel, home oxygen therapy, emergency backup, ambulatory care

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