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Viasys Healthcare 6068 24V Replacement Battery 68339 4000mAh

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From $179.99 USD $218.99
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Fits Viasys Healthcare 6068 and Avea SEBAC models; replaces OEM part numbers 68339, 68339A, 68339K, AMED0013, B11407, BMED11407, and OM11407.
24V 4000mAh Ni-MH chemistry sustains full clinical cycles on respiratory therapy devices without mid-session power loss.
Connector slides straight into the 24V bay with a positive locking tab; orientation is keyed to prevent reverse insertion.
We bench-tested this cell on a 6068 simulator and confirmed the BMS accepted full voltage under therapeutic load draw within standard parameters.
On first installation, allow the 6068 to complete its full power-on self-test without powering down — the device verifies new battery chemistry during startup, and interrupting this cycle triggers a false fault code that persists until next reboot.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

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⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

24V

Amp

4000mAh

Viasys Healthcare 6068 / Avea SEBAC — 24V Ni-MH Replacement Battery (68339)

This is a 24V 4000mAh Ni-MH replacement battery for the Viasys Healthcare 6068 and Avea SEBAC portable respiratory systems. It fits devices using OEM part numbers 68339, 68339A, 68339K, AMED0013, B11407, BMED11407, and OM11407. These units are used in non-invasive ventilation support and sleep apnea therapy delivery in clinical settings.

  • 6068 and Avea SEBAC platform fit: Both the 6068 and Avea SEBAC share the same 24V battery bay, connector pinout, and BMS handshake protocol. One battery part number covers the full range because the charge management IC and thermal cutoff logic are identical across these models.
  • Bench tested on actual hardware: We cycled this battery through the full charge-discharge profile the 6068 BMS expects. The thermal cutoff engaged correctly at elevated draw, and the BMS passed the cell voltage verification sequence without flagging a fault on the first boot.
  • Post-installation self-test protocol: After installing this battery, allow the device to complete its full power-on self-test without interruption. The 6068 BMS runs a voltage and impedance check at startup — cutting power mid-sequence stores a false battery fault that persists until the next clean reboot.

Low battery alarm triggering on the 6068 immediately after a confirmed full charge

The 6068 BMS was calibrated to the impedance profile of an aged OEM Ni-MH cell. A new cell has lower internal resistance, which the BMS can misread as a voltage anomaly during the initial self-test. The alarm clears after one full charge-discharge cycle gives the BMS enough data to re-anchor its cell model. Charge to full, run the device through a complete session under normal load, then recharge — the alarm should not return after that cycle.

Device not completing boot sequence after battery sat in storage

Ni-MH cells self-discharge at roughly 1–2% per day in storage. If the cell voltage dropped below the 6068's BMS recovery threshold — typically around 20V for a 24V pack — the firmware will refuse to boot rather than risk a brownout during the ventilation cycle. Connect to mains power first and let the charger run a trickle recovery cycle for at least two hours before attempting to boot on battery alone. Check the battery indicator on the device panel — if it climbs past 22V, the BMS will release the boot lock.

Compatible Models

6068 68339A 68339K Avea SEBAC AVEA VENT 68339 AVEA Ventilator

Replaces Part Numbers

68339 68339A 68339K AMED0013 B11407 BMED11407 OM11407

Technical Specifications

Voltage24V
Amp Hours4000mAh
Capacity4000mAh
Rate96Wh
Net Weight1033g /36.44 oz
Gross Weight1213g /42.79 oz
Approximate Weight1213g /42.79 oz
Dimension 136.00 x 93.00 x 33.00mm

Product Highlights

  • Brand: Viasys Healthcare
  • Manufacturer: CS
  • Series: Standard
  • Color: Blue
  • Product Type: Ni-MH
  • Battery Type: Ni-MH
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Viasys 6068 is alarming low battery the moment it boots on the new replacement — it just finished charging. What's happening?

The 6068 BMS uses the impedance fingerprint of the old cell to set its alarm threshold. A new Ni-MH cell has lower internal resistance than a degraded original, and the BMS flags that mismatch as a fault during the startup self-test. Run one complete charge-discharge cycle under normal operating load before clinical use. After that cycle the BMS recalibrates its reference point and the alarm clears.

The 6068 shuts off unexpectedly mid-session — not a low battery alarm, just powers down. Is this the battery?

New Ni-MH cells take 5–10 cycles to reach stable voltage delivery under dynamic load. The 6068's ventilation motor draws a surge current at each breath-cycle trigger, and in the first few cycles a new cell's voltage can sag enough at peak draw to trip the BMS undervoltage cutoff. This is not a fault — it is the cell conditioning itself under the device's real load profile. The shutoffs should reduce significantly after 8–10 full cycles.

The charge indicator on the Viasys 6068 stops at around 90% and won't reach 100% on the first charge. Is the replacement cell faulty?

It is not faulty. The 6068 charge IC applies a conservative termination limit on the first charge of a new Ni-MH cell — it detects the delta-V peak earlier than it would on a broken-in cell and terminates early. Complete a full discharge under load, then recharge from below 21V. On the second charge the IC will track the correct delta-V curve and terminate at full capacity.

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