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Bionet BM7 Vet Elite 10.8V Replacement Battery 68L335-BIO-S

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From $73.99 USD $91.99
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Fits Bionet BM7 Vet Elite portable monitor; replaces OEM part numbers 68L335-BIO-S and BM-BAT-7.
10.8V 5200mAh lithium-ion delivers 56.16Wh; sustained output matches original pack for full examination cycles.
Connector slides into battery bay with vertical orientation; locking tab seats flush against monitor housing.
Bench testing confirmed BMS accepts charge current without cutoff; voltage regulation held stable across load cycles.
After installation, let the device complete its power-on self-test without interruption—medical monitors verify new battery chemistry at startup, and stopping this sequence triggers a false fault that requires a full reboot to clear.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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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.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ 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

10.8V

Amp

5200mAh

Bionet BM7 Vet Elite — 10.8V Li-ion Replacement Battery (68L335-BIO-S)

This 10.8V 5200mAh (56.16Wh) Li-ion battery replaces the OEM pack in the Bionet BM7 Vet Elite portable veterinary patient monitor. It fits the BM7 Vet Elite directly, matching the original voltage rail and connector. Use it to maintain uninterrupted monitoring during examinations and procedures when the original cell no longer holds a working charge.

  • BM7 Vet Elite compatibility: The BM7 Vet Elite runs a dedicated 10.8V three-cell Li-ion configuration with a BMS handshake that checks cell voltage on boot. This replacement matches that voltage rail and communicates correctly with the device's onboard battery management circuitry.
  • Bench tested on actual hardware: We ran this cell through full charge and discharge cycles on the BM7 Vet Elite platform. The BMS accepted the pack without fault codes, and the charge IC reached target voltage without triggering protection cutoff.
  • Post-swap startup protocol: After installing this battery, let the BM7 Vet Elite complete its full power-on self-test without interruption. The device runs BMS verification at startup — cutting power during this sequence can cause a false battery fault that persists until the next clean reboot.

BM7 Vet Elite alarming low battery immediately after a confirmed full charge

The BM7 Vet Elite's BMS calibrates its low-battery threshold against a learned cell profile. A fresh replacement cell hasn't completed that learning cycle, so the device can flag low battery even when the pack is fully charged. This isn't a fault in the battery — it's the charge IC applying a conservative read on an uncalibrated cell. Run one complete charge-to-full, discharge-to-cutoff cycle and the BMS recalibrates its threshold to match the new cell's actual capacity curve.

BM7 Vet Elite failing its power-on self-test after battery swap

Self-test failure after a battery swap usually means the BMS learn cycle hasn't run yet, not that the replacement pack is defective. The device checks cell voltage at a specific threshold during the POST sequence — a new cell that shipped at storage voltage (typically around 3.7V per cell, or ~11.1V pack) may sit just below the device's internal pass threshold. Charge the battery to full before the first boot, confirm pack voltage is at or above 12.0V at the terminals, then power on and allow the full self-test sequence to complete without interruption.

Compatible Models

BM7 Vet Elite

Replaces Part Numbers

68L335-BIO-S BM-BAT-7

Technical Specifications

Voltage10.8V
Amp Hours5200mAh
Capacity5200mAh
Rate56.16Wh
Net Weight284g /10.02 oz
Gross Weight434g /15.31 oz
Approximate Weight434g /15.31 oz
Dimension 110.50 x 67.00 x 22.00mm

Product Highlights

  • Brand: Bionet
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

The BM7 Vet Elite shows a low battery alarm straight after I charged the new battery — is the cell faulty?

The cell is almost certainly fine. The BM7 Vet Elite's BMS sets its alarm threshold based on a learned cell profile, and a brand-new replacement hasn't completed that calibration yet. Run one full charge-discharge cycle — charge to 100%, allow the device to run until it cuts off automatically — and the BMS will recalibrate against the new cell's actual voltage curve. After that cycle, the low-battery alarm should clear at the correct threshold.

The BM7 Vet Elite won't power on at all after the replacement battery sat unused for several months — what happened?

Li-ion cells self-discharge in storage, and if the pack voltage drops below roughly 2.5V per cell (around 7.5V for this 10.8V three-cell pack), the BMS enters a protection lockout and blocks normal operation. Connect the device to mains power and leave it on charge for at least two hours before attempting to power on — most charge ICs include a trickle recovery mode that brings the cell back above the BMS re-enable threshold. If the charge indicator doesn't move after two hours, check that the charger is delivering current to the port and not reading an open circuit.

The BM7 Vet Elite is shutting off unexpectedly during monitoring with the new battery — why is this happening in the first few uses?

New Li-ion cells haven't reached their rated capacity in the first several charge-discharge cycles — the electrolyte hasn't fully wetted the electrode surfaces yet. During this break-in period, the cell's internal resistance is slightly higher than its rated spec, which causes voltage to sag under the monitor's operating load and triggers the BMS undervoltage cutoff earlier than expected. This behaviour typically stabilises within the first 5 to 10 full cycles. Complete those cycles on the device under normal monitoring load and track whether the cutoffs become less frequent before assuming a fault.

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