Replacement Batteries for Philips HeartStart AEDs and Defibrillators
An AED or defibrillator is only useful if its battery is in good condition. Whether your device shows a low-battery warning or you are replacing a battery that has reached the end of its service life, Store Shoppe supplies replacement batteries for Philips HeartStart AEDs and defibrillator-monitors, so you can find a match by device model or battery part number.
Popular HeartStart Battery Models
- AEDs: M5070A (HeartStart HS1, FRx, M5066A), M3863A / M3860A / M3861A / M3840A (FR2, FR2+), 989803150161 (FR3, M64185-2103), M2720-64001 (BT1, HeartStream Forerunner FR1, 18V 1300mAh)
- Defibrillator-monitors: M3516A (HeartStart XL, M4735A), 989803167281 (HeartStart XL+, 861290), M3539A (HeartStart MRX, API1AD41-000), M3538A / M3535A / M3536A (HeartStart MRX)
- Accessories: M3717A (HeartStart multifunction electrode pads)
Other AED brands: Powerheart · LifePak · Zoll · Cardiac Science. See also all medical batteries.
How to Find the Right HeartStart Battery
- Start with the part number printed on your current battery (for example M5070A or M3863A) and search for it in the store.
- Confirm your exact device model on the label on the device or in its user manual. HeartStart HS1, FRx, FR2, FR3 and XL use different batteries, so check the full model name.
- Check the battery type. Many AED batteries are single-use (non-rechargeable) lithium packs, while defibrillator-monitors such as the XL+ and MRX use rechargeable batteries. Match the type, voltage and capacity to your original.
- Check the compatibility list on the product page before ordering.
Electrode pads are sold separately from batteries. Not sure what you need? Send us your device model and battery part number and we will help you check.
Before You Install
Follow your device manufacturer's instructions and any requirements set by your organization or local regulations. After installing a new battery, check that the device's status indicator shows it is ready. If it shows a warning, stop and refer to the manual or contact the manufacturer.
Why Buy from Store Shoppe
- Free shipping on every order
- One-year warranty
- Free returns within 30 days: satisfied or refunded
- Support by chat, email or phone to help match your part number
- Secure checkout with Visa, Mastercard, Amex and PayPal
HeartStart Battery FAQ
How often should a HeartStart battery be replaced?
It depends on the model and battery type. Check the expiration or install-by date on the battery, your device's status indicator and Philips' guidance for your model. Replace the battery whenever the device signals a low-battery or service warning.
Are HeartStart batteries rechargeable?
Many HeartStart AED batteries are single-use lithium packs that are replaced rather than recharged, while defibrillator-monitors such as the XL+ and MRX use rechargeable batteries. Check your original battery's label or the product page for the type.
Will this battery work with my HeartStart?
Match the part number, your exact device model, voltage and connector, and check the compatibility list on the product page. If anything is unclear, contact us before ordering.
Are these original Philips batteries?
Each listing shows the part number and the devices it fits. If you need to know whether a specific listing is an original Philips part or a compatible replacement, contact us before ordering.
What are the warranty and return terms?
Every battery comes with a one-year warranty and free returns within 30 days. See our refund policy and shipping policy.
Philips, HeartStart, HeartStream and Forerunner are trademarks of Koninklijke Philips N.V. and are used for compatibility reference only. Store Shoppe is not affiliated with or endorsed by Philips.

















