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2.4V Ni-Cd Emergency Lighting Battery D4000mAh High Capacity 132g
Product Details:
| Place of Origin: | China |
| Certification: | CE,ROHS, UL,REACH,KS |
| Model Number: | D-D4000mAh |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1000PCS |
|---|---|
| Packaging Details: | Industrial Pakcage |
| Delivery Time: | 35 working days |
| Payment Terms: | L/C,T/T,Western Union |
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Detail Information |
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| Name: | Emergency Lighting Battery | Voltage: | 1.2V |
|---|---|---|---|
| Capacity: | 4000mAh | Weight: | 132g |
| Size: | 33.0*61.8mm | Internal Resistance: | ≤12mΩ |
| Self-Discharge Rate: | 15-20% Per Month (at 20°C) | Cycle Life: | Up To 1000 |
| Warranty: | 4 Years | ||
| Highlight: | Ni-Cd Emergency Lighting Battery,Emergency Lighting Battery D4000mAh,2.4V Ni-Cd Battery High Capacity |
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Product Description
2.4V Ni-Cd Emergency Lighting Battery D4000mAh High Capacity
Features
- High Capacity Design: 4000mAh provides extended runtime for emergency systems
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Optimized for Float Charging: Specifically designed for continuous standby operation
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Wide Temperature Range: Reliable performance from -20°C to 60°C
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Long Cycle Life: 500+ cycles with proper maintenance
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Low Self-Discharge: Excellent charge retention during standby
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Maintenance-Free: Sealed construction requires no watering
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Overcharge Tolerant: Withstands continuous float charging conditions
Specifications
|
Model |
D-D4000mAh 2.4V |
|
Dimension |
33.0*61.8mm (Diameter*Height) |
|
Voltage |
2.4V |
|
Capacity |
4000mAh |
|
Iedance |
<12 mΩ |
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Discharge cut-off voltage |
1.0V |
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Maximum Charge voltage |
1.4V |
|
Standard charge current |
0.1C (400mA) for 14-16 hours |
|
Standard discharge current |
0.2C |
|
Weight |
132g |
|
Working teerature |
Charge:0-45 degree |
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Discharge:-20-60 degree |
|
|
Storage teerature |
minus 20 - 35degree |
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Self-Discharge Rate |
15-20% per month (at 20°C) |
|
Cycle life |
500-1000 cycles |
Application
- Emergency Lighting Systems: Maintained and non-maintained emergency luminaires.
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Exit Signs: LED and incandescent exit signage.
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Central Battery Systems: Small-scale emergency power units.
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Security Lighting: Emergency backup for security systems.
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Fire Safety Equipment: Emergency power for fire alarm systems.
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Emergency Exit Lights: Self-contained emergency lighting fixtures.
Warnings & Precautions
Installation Precautions
- Ensure correct polarity during installation
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Check battery compartment dimensions and terminal type
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Secure battery properly to prevent movement
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Use only in UL-listed emergency lighting equipment
Charging Precautions
- Float Charge Voltage: Maintain 2.8V-2.9V for continuous operation
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Temperature Monitoring: Charge between 0°C and 45°C only
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Never use fast chargers not designed for emergency lighting applications
Storage & Handling
- Storage Temperature: -20°C to 35°C
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Charge State: 40-50% capacity for long-term storage
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Recharge Interval: Every 6 months during storage
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Environment: Cool, dry, and well-ventilated area