Exceptional Value in Life-Saving Power. As battery specialists since 2010, we deliver FDA-approved AED batteries with guaranteed compatibility at competitive pricing. The Philips M3863A replacement battery provides 12V 4.2Ah lithium manganese power with 5-year shelf life for FR2/FR2+ defibrillators. This exact OEM replacement features clearly specified dimensions, 300-shock capacity, and 12 hours operational time. With proven reliability and immediate availability, get trusted emergency power at exceptional value.

Why Emergency Teams Choose Our M3863A Battery: FDA-approved lithium manganese technology for medical reliability. Significant savings versus OEM pricing with identical performance. 5-year shelf life with 3-year service expectancy. Exact fit for FR2 and FR2+ models with 1-year warranty. Non-rechargeable design eliminates maintenance - competitive pricing from battery specialists since 2010.

Quick Specifications

Replaces: Philips OEM #M3863A, AMCO 6L785, Unipower B11486

Specifications: 12V, 4.2Ah, Lithium Manganese

Weight: 1.2 lbs (0.54 kg)

Shelf Life: 5 years at proper storage temperatures

Compatibility: Philips HeartStart FR2, FR2+ AED models

• • Philips M3863A AED Battery Pack
• • Non-Rechargeable Lithium Manganese Technology
• • Direct Replacement for FR2/FR2+ Models
• • 1-Year Replacement Warranty

Dependable Long Lifespan:

When optimally maintained, your new Philips FR2+ AED battery pack has a capacity of 4.2 Amp hours, equivalent to 12 hours of "ON" time. Important considerations:

• 5-Year Shelf Life: New batteries maintain readiness when properly stored
• 3-Year Service Life: Expected operational duration once installed
• Self-Discharge Rate: Normal capacity reduction over time during storage
• After 4 Years: Approximately 35% of useful life remains without patient use
• Each Activation: Turning the AED on consumes battery capacity

Value Comparison:

• Significant Savings: Lower cost versus OEM pricing
• Identical Performance: Same specifications as original equipment
• Professional Quality: FDA-approved medical-grade construction
• Comprehensive Warranty: Full 1-year replacement coverage
• Quality Testing: Each battery undergoes strict control procedures

Q: What battery replaces Philips M3863A?
A: This exact replacement battery replaces Philips OEM #M3863A with identical 12V 4.2Ah lithium manganese specifications for FR2 and FR2+ AED models.

Q: Which battery fits the Philips HeartStart FR2+ AED?
A: The M3863A battery is specifically designed for Philips HeartStart FR2 and FR2+ defibrillators, ensuring guaranteed compatibility and proper self-test functionality.

Q: How long does the Philips M3863A battery last in the AED?
A: The battery typically lasts approximately 3 years depending on usage. It provides up to 300 shocks or 12 hours of continuous "ON" time when new.

Q: What are the exact dimensions of the M3863A battery?
A: The M3863A battery weighs 1.2 lbs (0.54 kg) and is designed to fit perfectly in the Philips FR2/FR2+ battery compartment.

Q: Is this battery the same quality as the original?
A: Yes, this FDA-approved replacement meets OEM specifications with identical performance characteristics, reliability standards, and safety certifications.

Performance Metrics (Based on Customer Data Since 2010):

• Cost Savings: Significant reduction versus OEM pricing
• Service Life: Average 3 years in active emergency services
• Capacity Retention: 35% after 4 years standby operation
• Compatibility Success: 100% with listed Philips models
• Customer Satisfaction: Backed by 1-year warranty

AED Battery Specialists Since 2010

With over a decade of experience providing AED and medical batteries, we understand the critical importance of reliable emergency power at the right value. Our commitment to FDA-approved batteries and exact OEM replacements ensures your life-saving equipment performs when every second counts.

Complete Emergency Solutions

Beyond AED batteries, explore our comprehensive range of emergency lighting batteries, backup power solutions, and AED mounting accessories. Visit our resource center for maintenance guides and best practices.

Keep Your AED Ready for Action

The Philips M3863A battery delivers FDA-approved reliability with 5-year shelf life and significant cost savings versus OEM pricing. With competitive pricing on this exact replacement, guaranteed FR2/FR2+ compatibility, and 300-shock capacity for critical emergencies, you're investing in proven medical-grade power. As battery specialists since 2010, we provide clearly specified AED batteries with the performance emergency teams trust.

Order Your M3863A Battery Today

Related Products & Resources

Browse our selection of medical equipment batteries and specialty power solutions. For technical support, contact our specialists at 1-877-775-4381.