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New CMLM3X4I001B Battery Replacement for Comen F1 F2 F2A Defibrillator Monitor

New CMLM3X4I001B Battery Replacement for Comen F1 F2 F2A Defibrillator Monitor

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New Original CMLM3X4I001B Battery for Comen F1 / F2 / F2A Defibrillator – Reliable Rescue Power When Every Second Counts

Exact replacement for Comen part number: CMLM3X4I001B. Compatible with Comen F1, F2, and F2A defibrillators. Also works with some F series devices—check your original battery label.

In a code blue, on an ambulance, or in the ER, your Comen F1, F2, or F2A is the trusted device. It analyzes, charges, and delivers life-saving shocks. When the battery fails, that trust evaporates. You receive “low battery” warnings in a short amount of time. The device shuts down during a rescue or won’t hold a charge.

The CMLM3X4I001B is the factory-spec lithium-ion battery for the Comen F series. When new, it offers hours of monitoring and many full-energy defibrillation shocks. After a couple of years of regular use, capacity drops. You might see runtime cut in half, or the defibrillator powers off with 40% remaining.

You don’t have to pay Comen’s premium price (490+). But you can't trust a 160 generic that might swell, cause error codes, or fail when a patient's life is at stake. This new battery gives medical-grade reliability like the OEM. Plus, it costs less.


Quick Specs – What You’re Getting


Specification Value
Part Number CMLM3X4I001B
Compatible Models Comen F1, F2, F2A (also some F series – verify original)
Chemistry Lithium‑ion (medical‑grade high‑rate cells)
Voltage 12V
Capacity 50.4Wh/4200mAh
Safety Features Over‑charge, over‑discharge, short‑circuit protection, temperature monitoring, cell balancing
Replace Part Numbers CMLM3X4I001B 
Compatible Models For COMEN F1, F2, F2A Defibrillator Battery
Compliance IEC 60601‑1, UN38.3, CE, RoHS
Warranty 12 months

A healthy CMLM3X4I001B battery restores your Comen F1/F2/F2A to its original readiness – enough for a full shift of monitoring and multiple defibrillation attempts.


OEM vs. New Original vs. Cheap Generic – What’s the Real Difference?

Not every battery that clicks into your Comen defibrillator is safe for emergency use. Here’s how the three options compare.

Factor OEM (Comen) Our New Original (CMLM3X4I001B) Cheap Generic
Cell Quality Original medical‑grade cells Same OEM‑grade cells Unknown, often low‑grade or recycled
True Capacity Full original spec Same as OEM Often 30–40% less (overstated)
Discharge Rate Supports defibrillation peak current Same – no voltage sag Voltage sag → reduced shock energy or failure
Protection Circuit Full PCM with redundant safety Full PCM Minimal – risk of swelling or fire
Device Communication Accurate fuel gauge, no error codes Accurate – no “battery error” May show wrong % or “battery not recognized”
Physical Fit Perfect Perfect, same mold Loose or too tight; poor contact
Charging Behavior Works with Comen charger/dock Works perfectly May overheat, charge slowly, or stop early
Longevity 500+ cycles 500+ cycles Often fails within 6–12 months
Compliance IEC 60601‑1, CE, UL Same certifications None or falsified
Price $480–600 $350–410 $60–80
Warranty 1 year 12 months 30 days or none

 Critical for EDs, ICUs, and biomed departments
A defibrillator battery is not a commodity. A cheap generic may not deliver the required energy during a rescue – causing the device to abort the shock. Worse, it may swell and damage the battery bay. Our new original battery meets the same rigorous standards as Comen’s original.


3 Signs Your Comen F1 / F2 / F2A Needs a New CMLM3X4I001B Battery

  1. Reduced runtime – The device used to last a full shift. Now you get “low battery” warnings after only 2–3 hours of monitoring.

  2. Error messages – The defibrillator displays “battery error,” “replace battery,” or fails to complete self‑test.

  3. Physical swelling – The battery pack looks puffy, doesn’t slide in smoothly, or the case bulges. Replace immediately – a swollen lithium‑ion battery is a fire risk and can destroy the device.

If your Comen F series battery is more than 2–3 years old or showing any of these signs, replace it now. Your patients’ lives depend on a ready defibrillator.


Why Choose Our New Original CMLM3X4I001B Battery?

  •  Medical‑grade high‑rate cells – Same performance as Comen original for defibrillation shocks.

  •  Fresh stock – Manufactured within the last 6 months. Date printed on label. No degraded shelf inventory.

  •  Exact fit – Same dimensions, connector, and latch as OEM. Slides in and locks securely.

  •  Full safety certifications – IEC 60601‑1 (medical electrical equipment), UN38.3 (air transport), CE, RoHS.

  •  No error codes – Fully compatible with F1, F2, F2A. No “battery not recognized” messages.

  •  12‑month warranty – If it fails within 12 months, we send a free replacement.

  •  Up to 50% less than Comen direct – You don’t need to pay the full medical OEM markup.

You need reliability, not just low price. Our new original CMLM3X4I001B gives you OEM quality at a fair price.


Frequently Asked Questions (FAQ)

Q: Will this battery work with my Comen F1, F2, or F2A?

Yes. CMLM3X4I001B is the official battery for the F1, F2, and F2A. Check your current battery label – if it matches, this is the direct replacement. Some earlier F series models may also use the same battery – verify with your original part number.

Q: How do I replace the battery? Is it user‑serviceable?

Replacement should be performed by qualified personnel. The battery compartment is typically accessible with a latch or a few screws. Follow your defibrillator’s user manual. We provide instructions, but we strongly recommend professional replacement by a biomedical technician.

Q: How long does a full charge last after replacement?

Consult your Comen F series operator’s manual for expected runtime and shock count. A new genuine battery restores original performance – typically 4–6 hours of continuous monitoring or 30+ 200J shocks.

Q: Can I charge this battery in the original Comen charger/docking station?

Yes. It is fully compatible with Comen’s charging systems. No modifications needed.

Q: Is this battery safe for air transport (e.g., on ambulances, helicopters)?

Yes. It meets UN38.3 transportation safety standards. For medical use, always follow your EMS agency’s protocols and aviation regulations.

Q: What if my defibrillator shows a battery error after installation?

First, ensure the battery is fully seated and the connector is secure. Charge the device for at least 2 hours. If the error persists, try a self‑test cycle. If none works, contact us for a replacement under warranty.

Q: Do you offer discounts for hospitals, EMS agencies, or biomedical departments buying multiple batteries?

Yes. For orders of 5+ batteries, contact us for a quote. We work with EMS providers, hospital biomed departments, and group purchasing organizations.


Ready to Keep Your Comen F1 / F2 / F2A Rescue‑Ready?

Don’t let a worn‑out or generic battery compromise your ability to save a life. This new original CMLM3X4I001B replacement gives you the same performance, safety, and reliability as the Comen original – at a price that makes replacing aging batteries a smart investment for your service.

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    The batteries we sell are all brand-new ones. We do not offer refurbished or used batteries.Quality is king, and integrity is the foundation.

  • 1-Year Warranty

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  • 30-Day Return Guarantee

    Enjoy a 30-Day Return Guarantee with free exchange or full refund.

  • Responsive Support

    We reply to all inquiries within 24 hours (Mon–Fri)

New Original CMLM3X4I001B Battery for Comen F1 / F2 / F2A Defibrillator – Reliable Rescue Power When Every Second Counts

Exact replacement for Comen part number: CMLM3X4I001B. Compatible with Comen F1, F2, and F2A defibrillators. Also works with some F series devices—check your original battery label.

In a code blue, on an ambulance, or in the ER, your Comen F1, F2, or F2A is the trusted device. It analyzes, charges, and delivers life-saving shocks. When the battery fails, that trust evaporates. You receive “low battery” warnings in a short amount of time. The device shuts down during a rescue or won’t hold a charge.

The CMLM3X4I001B is the factory-spec lithium-ion battery for the Comen F series. When new, it offers hours of monitoring and many full-energy defibrillation shocks. After a couple of years of regular use, capacity drops. You might see runtime cut in half, or the defibrillator powers off with 40% remaining.

You don’t have to pay Comen’s premium price (490+). But you can't trust a 160 generic that might swell, cause error codes, or fail when a patient's life is at stake. This new battery gives medical-grade reliability like the OEM. Plus, it costs less.


Quick Specs – What You’re Getting


Specification Value
Part Number CMLM3X4I001B
Compatible Models Comen F1, F2, F2A (also some F series – verify original)
Chemistry Lithium‑ion (medical‑grade high‑rate cells)
Voltage 12V
Capacity 50.4Wh/4200mAh
Safety Features Over‑charge, over‑discharge, short‑circuit protection, temperature monitoring, cell balancing
Replace Part Numbers CMLM3X4I001B 
Compatible Models For COMEN F1, F2, F2A Defibrillator Battery
Compliance IEC 60601‑1, UN38.3, CE, RoHS
Warranty 12 months

A healthy CMLM3X4I001B battery restores your Comen F1/F2/F2A to its original readiness – enough for a full shift of monitoring and multiple defibrillation attempts.


OEM vs. New Original vs. Cheap Generic – What’s the Real Difference?

Not every battery that clicks into your Comen defibrillator is safe for emergency use. Here’s how the three options compare.

Factor OEM (Comen) Our New Original (CMLM3X4I001B) Cheap Generic
Cell Quality Original medical‑grade cells Same OEM‑grade cells Unknown, often low‑grade or recycled
True Capacity Full original spec Same as OEM Often 30–40% less (overstated)
Discharge Rate Supports defibrillation peak current Same – no voltage sag Voltage sag → reduced shock energy or failure
Protection Circuit Full PCM with redundant safety Full PCM Minimal – risk of swelling or fire
Device Communication Accurate fuel gauge, no error codes Accurate – no “battery error” May show wrong % or “battery not recognized”
Physical Fit Perfect Perfect, same mold Loose or too tight; poor contact
Charging Behavior Works with Comen charger/dock Works perfectly May overheat, charge slowly, or stop early
Longevity 500+ cycles 500+ cycles Often fails within 6–12 months
Compliance IEC 60601‑1, CE, UL Same certifications None or falsified
Price $480–600 $350–410 $60–80
Warranty 1 year 12 months 30 days or none

 Critical for EDs, ICUs, and biomed departments
A defibrillator battery is not a commodity. A cheap generic may not deliver the required energy during a rescue – causing the device to abort the shock. Worse, it may swell and damage the battery bay. Our new original battery meets the same rigorous standards as Comen’s original.


3 Signs Your Comen F1 / F2 / F2A Needs a New CMLM3X4I001B Battery

  1. Reduced runtime – The device used to last a full shift. Now you get “low battery” warnings after only 2–3 hours of monitoring.

  2. Error messages – The defibrillator displays “battery error,” “replace battery,” or fails to complete self‑test.

  3. Physical swelling – The battery pack looks puffy, doesn’t slide in smoothly, or the case bulges. Replace immediately – a swollen lithium‑ion battery is a fire risk and can destroy the device.

If your Comen F series battery is more than 2–3 years old or showing any of these signs, replace it now. Your patients’ lives depend on a ready defibrillator.


Why Choose Our New Original CMLM3X4I001B Battery?

  •  Medical‑grade high‑rate cells – Same performance as Comen original for defibrillation shocks.

  •  Fresh stock – Manufactured within the last 6 months. Date printed on label. No degraded shelf inventory.

  •  Exact fit – Same dimensions, connector, and latch as OEM. Slides in and locks securely.

  •  Full safety certifications – IEC 60601‑1 (medical electrical equipment), UN38.3 (air transport), CE, RoHS.

  •  No error codes – Fully compatible with F1, F2, F2A. No “battery not recognized” messages.

  •  12‑month warranty – If it fails within 12 months, we send a free replacement.

  •  Up to 50% less than Comen direct – You don’t need to pay the full medical OEM markup.

You need reliability, not just low price. Our new original CMLM3X4I001B gives you OEM quality at a fair price.


Frequently Asked Questions (FAQ)

Q: Will this battery work with my Comen F1, F2, or F2A?

Yes. CMLM3X4I001B is the official battery for the F1, F2, and F2A. Check your current battery label – if it matches, this is the direct replacement. Some earlier F series models may also use the same battery – verify with your original part number.

Q: How do I replace the battery? Is it user‑serviceable?

Replacement should be performed by qualified personnel. The battery compartment is typically accessible with a latch or a few screws. Follow your defibrillator’s user manual. We provide instructions, but we strongly recommend professional replacement by a biomedical technician.

Q: How long does a full charge last after replacement?

Consult your Comen F series operator’s manual for expected runtime and shock count. A new genuine battery restores original performance – typically 4–6 hours of continuous monitoring or 30+ 200J shocks.

Q: Can I charge this battery in the original Comen charger/docking station?

Yes. It is fully compatible with Comen’s charging systems. No modifications needed.

Q: Is this battery safe for air transport (e.g., on ambulances, helicopters)?

Yes. It meets UN38.3 transportation safety standards. For medical use, always follow your EMS agency’s protocols and aviation regulations.

Q: What if my defibrillator shows a battery error after installation?

First, ensure the battery is fully seated and the connector is secure. Charge the device for at least 2 hours. If the error persists, try a self‑test cycle. If none works, contact us for a replacement under warranty.

Q: Do you offer discounts for hospitals, EMS agencies, or biomedical departments buying multiple batteries?

Yes. For orders of 5+ batteries, contact us for a quote. We work with EMS providers, hospital biomed departments, and group purchasing organizations.


Ready to Keep Your Comen F1 / F2 / F2A Rescue‑Ready?

Don’t let a worn‑out or generic battery compromise your ability to save a life. This new original CMLM3X4I001B replacement gives you the same performance, safety, and reliability as the Comen original – at a price that makes replacing aging batteries a smart investment for your service.

Battery Capacity 50.4Wh/4200mAh
Voltage 12V
Model No CMLM3X4I001B
Warranty 12 Months
🔒 Secure Payment
🚚 International Shipping
🛡 12-Month Warranty
📩 Responsive Support

🔋 Lithium-Ion Battery Conditioning

For optimal electrochemical performance, new lithium-ion batteries should undergo 2–3 complete charge and discharge cycles before reaching full capacity.

This stabilization phase allows the internal cell chemistry to achieve balanced ion distribution, ensuring maximum runtime, stable voltage output, and extended cycle life.

After this initial conditioning period, no further full discharge cycles are required.

✅ Quality Issue – Free Return & Replacement

🛡 Premium Warranty Protection

  • 12-Month Limited Manufacturer Warranty
  • Up to 30-Day Return Guarantee (Policy Based)
  • Replacement for defective or misrepresented items
  • Dedicated customer service response within 24 hours

View Full Warranty Policy →

🚚 Professional Shipping Standards

  • Orders placed Monday–Friday are processed within 1–2 business days. Orders placed on weekends are processed the following Monday.
  • Tracking information appears in your order within 1–2 business days after dispatch.
  • Transit time varies by region and logistics carrier
  • Please verify your shipping address before order confirmation
  • Address changes are not possible once shipment is dispatched

Shipping Policy Details →

📌 Product-Specific Notice

US Shipping: USPS. (Normally 2-15 Business Days)

📩 Customer Care Commitment

We are committed to delivering professional-grade battery solutions and responsive after-sales service. If you experience any issues, please contact our support team before leaving feedback.

Contact Customer Support →

✓ Safety & Quality Assurance

  • Built-in protection against overcharging, overheating, and short circuits.
  • Shipped in compliance with IATA regulations for lithium batteries.
  • Compatible with OEM chargers. No firmware modification required.

Questions about compatibility? Contact us with your device model number before ordering.

CC

Cao Chuanping

Power Systems Consultant · 8+ years in replacement battery sourcing & evaluation · View profile →

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All batteries sold on accessories-mall.com are replacement parts. accessories-mall.com doesn't affiliate with any of the original manufacturers. Any registered trademarks or model names listed above are identified as purposes of showing compatibility only.

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