Product Overview
The M3863A is a 100% brand new 4200mAh / 12V LiMnO2 primary battery for the Philips HeartStart FR2, FR2+, FRX and ForeRunner series defibrillators. It is a non-rechargeable primary pack - do not attempt to recharge it. It replaces part numbers M3863A, 6073-A, M3841A, M3848A, M6462, M3840A, M3860A, M3861A, M6463 and M6474. The M3863A model (also listed as M3863A-146144, batch date code 2029-12) is available in Europe and the United States for rapid delivery. Ships 100% brand new with a 1-year warranty. 
Specifications
| Attribute | Details |
|---|---|
| Standard Model | M3863A |
| Capacity | 4200mAh |
| Voltage | 12V |
| Battery Type | LiMnO2 Primary (non-rechargeable) |
| Cell | Made in China, high quality guarantee |
| Color | Black |
| Condition | Replacement Battery (100% Brand New, 1-year warranty!) |
Replace Part Numbers
- M3863A
- M3863A-146144
- 2029-12
- 6073-A
- M3841A
- M3848A
- M6462
- M3840A
- M3860A
- M3861A
- M6463
- M6474
Compatible Models
For Philips HeartStart FR2 / ForeRunner Series
- For Philips FR2
- For Philips FR2 Plus
- For Philips FR2+ Defibrillator
- For Philips ForeRunner 2
- For Philips ForeRunner FR2
- For Philips ForeRunner FR2+
- For Philips ForeRunner FR2 Plus
- For Philips Defibrillateur Forunner II
For Philips Training & Admin Accessories
- For Philips Training
- For Philips Admin Pack
IMPORTANT NOTE: This is a LiMnO2 primary battery (non-rechargeable). Do not attempt to recharge this battery.
FAQ
Is the M3863A battery rechargeable?
No. The M3863A is a LiMnO2 primary battery and is non-rechargeable. Never attempt to recharge it.
How do I check the AED self-test status before a rescue?
The Philips HeartStart FR2 / FRX series runs automatic self-tests (daily, weekly and monthly) that check battery capacity and internal circuitry. 1) Confirm the status indicator shows the ready (green) state. 2) Listen for the self-test beep during the scheduled window. 3) If the AED reports a low-battery condition or a red status indicator, replace the installed M3863A pack immediately. 4) After fitting a new battery, verify the self-test returns to ready.
Which AED models use the M3863A battery?
It fits Philips HeartStart FR2, FR2+, FRX and ForeRunner 2 / FR2 / FR2+ series defibrillators, plus compatible Training and Admin Pack configurations. Confirm the code on your original pack before ordering.
Which part numbers does this battery replace?
It replaces M3863A, 6073-A, M3841A, M3848A, M6462, M3840A, M3860A, M3861A, M6463 and M6474.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
China warehouse delivery method
Overseas Warehouse Shipping Times & Costs
Payment Methods
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Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.