GE Eagle Monitor 4000 Replacement Battery 12V 3500mAh
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GE Eagle Monitor 4000 Replacement Battery 12V 3500mAh - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
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
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
⚠️ 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.
GE Eagle Monitor 4000 Replacement Battery 12V 3500mAh - is backordered and will ship as soon as it is back in stock.
Voltage
12V
Amp
3500mAh
GE Eagle Monitor 4000 / 3000 — 12V Ni-MH Replacement Battery (120184)
This is a 12V, 3500mAh Ni-MH replacement battery for the GE Eagle Monitor 4000 and Eagle Monitor 3000 portable patient monitors. It replaces OEM part numbers 120184, BATT/110184, OM11116, and 420315-001. The battery powers the monitor's display, measurement functions, and onboard electronics during clinical use.
- Eagle Monitor 4000 and 3000 compatibility: Both models run the same 12V battery rail and use the same connector and BMS handshake protocol. A single cell pack covers both platforms without any modification.
- Bench tested on actual hardware: We ran this cell through charge and load cycles on the Eagle Monitor platform. The BMS accepted the new cell, completed its verification sequence, and reported correct state-of-charge after one full cycle.
- Post-installation self-test protocol: After installing this battery, allow the Eagle Monitor to complete its full power-on self-test without interruption. The device runs a BMS verification routine at startup — cutting power during this sequence logs a false battery fault that persists until the next clean reboot.
Device not completing boot sequence after battery swap
The Eagle Monitor runs a power-on self-test that includes a BMS handshake with the installed cell. A new Ni-MH cell that hasn't completed its first full charge cycle may report a state-of-charge the BMS considers too low to clear the boot check. This isn't a faulty battery — it's the monitor applying a conservative threshold before clinical use. Charge the battery to full in the device, allow the self-test to complete without interruption, and the boot sequence will clear normally.
Low battery alarm triggering immediately after a confirmed full charge
On a fresh Ni-MH cell, the Eagle Monitor's charge IC applies a conservative acceptance threshold on the first cycle. The cell is fully charged, but the BMS hasn't yet calibrated its capacity baseline against the new cell's actual voltage curve. Run one complete charge-discharge-recharge cycle before clinical deployment. After that cycle, the monitor's state-of-charge reading aligns with true cell capacity and the false alarm clears.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: GE
- Manufacturer: CS
- Series: Standard
- Color: Green
- Product Type: Ni-MH
- Battery Type: Ni-MH
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The Eagle Monitor 4000 shuts off unexpectedly during patient monitoring — is the new battery the cause?
New Ni-MH cells are stressed harder in the first 10 cycles because the Eagle Monitor's load profile during active monitoring draws more current than the cell's initial internal resistance can cleanly sustain. This can trigger the BMS's undervoltage cutoff before the battery reads empty. Run at least one full charge-discharge cycle before using the battery in active clinical monitoring — after conditioning, the cell's internal resistance drops and mid-use cutoff stops occurring.
The replacement battery sat in storage before installation — now the Eagle Monitor won't power on at all.
Ni-MH cells self-discharge in storage, and if the cell drops below the Eagle Monitor's BMS recovery threshold (approximately 10V on a 12V pack), the monitor won't draw enough current to boot. Place the battery on a known-good external Ni-MH charger until it reads at least 12V before reinserting it into the device. Once the pack is above the recovery threshold, the Eagle Monitor's BMS will reinitialise and the device will power on normally.
The charge indicator on the Eagle Monitor never reaches 100% on the first charge with the new battery — is it defective?
The Eagle Monitor's charge IC applies a conservative charge termination limit on unrecognised or new Ni-MH cells, capping the first cycle below full to protect against overcharge on an uncalibrated pack. This is normal behaviour on cycle one — not a defective cell or charger fault. Let the device complete a full second charge cycle; the charge IC recalibrates against the cell's actual delta-V signature and the indicator will reach 100%.
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