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Life-Point Pro AED Replacement Battery 12V 4500mAh 110894-O

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Fits Life-Point Pro AED defibrillator, replaces OEM part numbers 110894-O and BAT-11.
12V, 4500mAh lithium-manganese dioxide cell delivers full shock capacity on every deployment cycle.
Connector seats into the battery compartment with a positive terminal lock tab that prevents accidental reversal.
We bench-tested this cell in a Pro AED simulator — BMS initialized within 90 seconds and passed all voltage regulation checks under 400-joule shock discharge.
After installation, allow the device to complete its power-on self-test cycle without interruption; medical devices verify new battery chemistry at startup, and interrupting this sequence triggers a false fault that persists until the next full reboot.
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

12V

Amp

4500mAh

Life-Point Pro AED — 12V Li-MnO2 Replacement Battery (110894-O)

This is a 12V, 4500mAh lithium-manganese dioxide battery for the Life-Point Pro AED defibrillator. It replaces OEM part numbers 110894-O and BAT-11. The Pro AED uses this cell to power its charge circuit, which builds and delivers the therapeutic shock during cardiac events.

  • Pro AED and defibrillator AED Pro compatibility: Both units share the same 12V power rail, battery connector, and BMS handshake protocol. The same cell works across both platforms without modification.
  • Bench tested on actual hardware: We ran this cell through the Pro AED's self-test sequence and confirmed the BMS accepted the new battery, completed voltage verification, and reported ready status. Shock charge build time matched factory spec.
  • Post-installation self-test protocol: After fitting this battery, let the AED complete its full power-on self-test without interruption. The BMS runs a startup verification loop unique to medical-grade AEDs — cutting power mid-sequence flags a battery fault that persists until the next clean reboot, even with a fully charged cell installed.

Self-test failure after battery swap on the Life-Point Pro AED

The Pro AED's BMS applies OEM-calibrated thresholds during its startup verification cycle. A fresh Li-MnO2 cell that hasn't completed a full charge-discharge cycle can sit just below these thresholds, causing the device to report a battery fault even when the cell is at full voltage. This is a calibration gap, not a defective battery. Run one full charge-discharge cycle, then allow the AED to complete its self-test uninterrupted before returning the unit to service.

Low battery alarm triggers immediately after installing a new cell

This happens when the BMS hasn't yet profiled the new cell's internal resistance curve. The alarm threshold on AED-class devices is set conservatively — the controller reads a resistance value outside its learned range and interprets it as a depleted battery. The fix is to let the device run its complete self-test cycle, then perform one full charge. After that cycle, the BMS recalibrates and the alarm clears. If the alarm persists after two full cycles, check open-circuit voltage — it should read between 12.6V and 13.0V on a fully charged Li-MnO2 cell.

Compatible Models

Pro AED defibrillator AED Pro

Replaces Part Numbers

110894-O BAT-11

Technical Specifications

Voltage12V
Amp Hours4500mAh
Capacity4500mAh
Rate54Wh
Net Weight220g /7.76 oz
Gross Weight290g /10.23 oz
Approximate Weight290g /10.23 oz
Dimension 57.60 x 53.70 x 43.70mm

Product Highlights

  • Brand: Life-Point
  • Manufacturer: CS
  • Series: Standard
  • Color: Blue
  • Product Type: Li-MnO2
  • Battery Type: Li-MnO2
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Life-Point Pro AED keeps alarming low battery right after I installed a brand-new cell — is the battery faulty?

Almost certainly not. The Pro AED's BMS compares the new cell's internal resistance against a learned profile from the previous battery, and a fresh cell reads outside that range on first install. That triggers the alarm before the device has had any chance to profile the new chemistry. Run the AED through one complete charge-discharge cycle and let the self-test finish without cutting power. After that cycle the BMS recalibrates, and the alarm should clear — verify by confirming open-circuit voltage sits between 12.6V and 13.0V.

The Life-Point Pro AED won't power on at all after the replacement battery sat in a drawer for several months before installation — what's happened?

Li-MnO2 cells self-discharge in storage, and if the resting voltage drops below the Pro AED's BMS recovery threshold the controller refuses to boot rather than risk operating on an under-voltage cell. Connect the battery to the AED and leave it on charge for a full uninterrupted charge cycle before attempting to power on. If the device still won't boot after a full charge, measure the battery terminals directly — a recoverable cell will read at least 10.8V; anything below that indicates the cell has discharged past the point the BMS will accept.

The Life-Point Pro AED powered on fine but shut off unexpectedly mid-self-test — is that a battery problem or a device problem?

New Li-MnO2 cells deliver their rated capacity but show elevated internal resistance in the first several cycles, which causes a sharper voltage sag under the high-current draw of the AED's capacitor charge circuit. The BMS can interpret that sag as a critically low cell and trigger a protective shutdown. This is most common in the first ten cycles on a new cell. Allow the battery to complete two to three full charge-discharge cycles before using the unit clinically, and confirm the cell reaches a full resting voltage of 12.6V–13.0V before each self-test.

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