FMA 4.8V 2500mAh Ni-Cd Rechargeable Battery for Emergency Lighting Exit Door LED light

4.8V 2500mAh Ni-Cd Rechargeable Battery for Emergency Lighting

Professional-grade 4.8V 2500mAh nickel-cadmium (Ni-Cd) rechargeable battery pack designed specifically for emergency lighting systems, exit door signs, and LED backup lights. Features C-size cells for reliable, long-lasting backup power in critical safety applications.

Key Features

• Emergency Lighting Specific: Designed for exit signs and emergency LED lights
• High Capacity: 2500mAh for extended backup runtime
• Ni-Cd Chemistry: Reliable performance in standby applications
• C-Size Cells: Standard C cells (26mm × 50mm) for optimal power
• Long Cycle Life: Designed for frequent charge/discharge cycles
• Safety Critical: Reliable backup power for emergency systems
• Durable Construction: Built to last in continuous standby mode

Package Contents

• 1× 4.8V 2500mAh Ni-Cd Rechargeable Battery Pack

Technical Specifications

Nominal Voltage	4.8V
Capacity	2500mAh
Chemistry	Nickel-Cadmium (Ni-Cd)
Cell Type	C-size (Sub-C)
Cell Dimensions	26mm (diameter) × 50mm (height)
Configuration	4 cells in series
Weight	304g
Typical Runtime	90+ minutes (depends on load)
Cycle Life	500-1000 cycles
Condition	Brand New

Common Applications

• Emergency Exit Signs: Illuminated exit door signs
• Emergency Lighting: Backup lighting systems
• LED Emergency Lights: LED-based emergency fixtures
• Safety Lighting: Building safety and egress lighting
• Fire Safety Systems: Emergency illumination for fire exits
• Commercial Buildings: Office and retail emergency lighting
• Industrial Facilities: Factory and warehouse safety lighting
• Public Buildings: Schools, hospitals, government buildings

Why Ni-Cd for Emergency Lighting?

• Reliable Standby Performance: Maintains charge during long standby periods
• Wide Temperature Range: Operates in various environmental conditions
• Long Cycle Life: Handles frequent charge/discharge cycles
• Proven Technology: Industry standard for emergency lighting
• Consistent Performance: Reliable power when needed most
• Cost-Effective: Lower cost compared to other chemistries
• Durable: Withstands continuous trickle charging

Installation & Preparation

Before Installation:

• Disconnect power to the emergency lighting fixture
• Have the original battery compartment accessible
• Prepare basic tools: screwdriver set, wire strippers (if needed)
• Work in a well-lit area
• Wear safety glasses during installation

Required Skills:

• Basic understanding of electrical polarity (positive/negative terminals)
• Ability to safely open emergency lighting fixtures
• Familiarity with battery connection methods (connectors or wire terminals)
• Understanding of emergency lighting system operation

Who Should NOT Attempt Battery Replacement:

• Individuals without basic electrical knowledge or experience
• Those unfamiliar with emergency lighting systems
• Anyone without appropriate tools or workspace
• If you're unsure about the process, please consult a licensed electrician or qualified technician

Installation Tips:

• Take photos of wire connections before disconnecting old battery
• Mark positive and negative terminals clearly
• Ensure all connections are secure
• Test the emergency lighting system after installation
• Perform a full discharge/charge cycle before putting into service
• Record installation date for maintenance tracking

Maintenance & Testing

Regular Testing:

• Test emergency lights monthly by pressing the test button
• Perform annual 90-minute discharge test as required by code
• Replace battery every 3-5 years or as needed
• Keep maintenance log for compliance

Signs Battery Needs Replacement:

• Emergency light fails to illuminate during test
• Runtime is less than 90 minutes
• Battery shows signs of swelling or leakage
• Battery is more than 5 years old

Why Choose FMA Batteries?

FMA specializes in high-quality rechargeable battery solutions for emergency lighting and safety systems. Our battery packs are manufactured to strict quality standards, ensuring reliable performance when you need it most. Each battery undergoes rigorous testing before shipment to guarantee it meets safety and performance specifications.

Compliance & Safety

Emergency lighting systems are required by building codes and fire safety regulations. Regular testing and maintenance, including timely battery replacement, ensures compliance with:

• NFPA 101 Life Safety Code
• OSHA emergency lighting requirements
• Local building and fire codes
• IBC (International Building Code) requirements

Safety Information

Charging: Emergency lighting systems typically use automatic trickle charging. Ensure charger is functioning properly.

Storage: Store in cool, dry place away from direct sunlight and heat sources. Keep out of reach of children.

Operation: Do not short-circuit, puncture, crush, or disassemble the battery. Avoid exposure to water or moisture.

Temperature: Operating: 0°C to +45°C, Storage: -20°C to +35°C.

Disposal: Ni-Cd batteries contain cadmium. Dispose according to local regulations. Do not incinerate or dispose of in regular trash. Recycle at approved facilities.

Inspection: Regularly inspect for signs of damage, swelling, or leakage. Discontinue use immediately if any abnormalities are detected.

Shipping & Transportation Notice

Hazardous Material: This product contains rechargeable batteries and is classified as dangerous goods for shipping purposes.

Air Transport Restrictions: Due to international air transport regulations, battery shipments may be subject to additional restrictions and longer transit times.

Packaging Compliance: All shipments comply with UN3481 or UN3480 packaging requirements for nickel-based batteries.

Delivery Time: Battery-containing parcels may experience extended delivery times due to stricter customs inspections and carrier handling procedures.

Documentation: Proper hazardous materials documentation accompanies all shipments to ensure compliance with international shipping regulations.