2.4V Ni-Cd Emergency Lighting Battery D4000mAh  High Capacity

 Features

1. High Capacity Design: 4000mAh provides extended runtime for emergency systems

2. Optimized for Float Charging: Specifically designed for continuous standby operation

3. Wide Temperature Range: Reliable performance from -20°C to 60°C

4. Long Cycle Life: 500+ cycles with proper maintenance

5. Low Self-Discharge: Excellent charge retention during standby

6. Maintenance-Free: Sealed construction requires no watering

7. Overcharge Tolerant: Withstands continuous float charging conditions

Specifications

Application

• Emergency Lighting Systems: Maintained and non-maintained emergency luminaires.

• Exit Signs: LED and incandescent exit signage.

• Central Battery Systems: Small-scale emergency power units.

• Security Lighting: Emergency backup for security systems.

• Fire Safety Equipment: Emergency power for fire alarm systems.

• Emergency Exit Lights: Self-contained emergency lighting fixtures.

Warnings & Precautions

Installation Precautions

• Ensure correct polarity during installation

• Check battery compartment dimensions and terminal type

• Secure battery properly to prevent movement

• Use only in UL-listed emergency lighting equipment

Charging Precautions

• Float Charge Voltage: Maintain 2.8V-2.9V for continuous operation

• Temperature Monitoring: Charge between 0°C and 45°C only

• Never use fast chargers not designed for emergency lighting applications

Storage & Handling

• Storage Temperature: -20°C to 35°C

• Charge State: 40-50% capacity for long-term storage

• Recharge Interval: Every 6 months during storage

• Environment: Cool, dry, and well-ventilated area