ShenZhen ManLi Technology Co., LTD.
| Payment Terms | L/C,T/T,Western Union |
| Delivery Time | 35 working days |
| Packaging Details | Industrial Pakcage |
| 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 |
| Model Number | D-D4000mAh |
| Certification | CE,ROHS, UL,REACH,KS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T,Western Union | Delivery Time | 35 working days |
| Packaging Details | Industrial Pakcage | 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 |
| Model Number | D-D4000mAh | Certification | CE,ROHS, UL,REACH,KS |
| Place of Origin | China | ||
| High Light | Ni-Cd Emergency Lighting Battery ，Emergency Lighting Battery D4000mAh ，2.4V Ni-Cd Battery High Capacity | ||
Features
Optimized for Float Charging: Specifically designed for continuous standby operation
Wide Temperature Range: Reliable performance from -20°C to 60°C
Long Cycle Life: 500+ cycles with proper maintenance
Low Self-Discharge: Excellent charge retention during standby
Maintenance-Free: Sealed construction requires no watering
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 |
| Discharge cut-off voltage | 1.0V |
| 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 |
| Discharge:-20-60 degree | |
| Storage teerature | minus 20 - 35degree |
| Self-Discharge Rate | 15-20% per month (at 20°C) |
| Cycle life | 500-1000 cycles |
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
Check battery compartment dimensions and terminal type
Secure battery properly to prevent movement
Use only in UL-listed emergency lighting equipment
Charging Precautions
Temperature Monitoring: Charge between 0°C and 45°C only
Never use fast chargers not designed for emergency lighting applications
Storage & Handling
Charge State: 40-50% capacity for long-term storage
Recharge Interval: Every 6 months during storage
Environment: Cool, dry, and well-ventilated area
Company Details
Business Type:
Manufacturer
Employee Number:
100~300
Ecer Certification：
Verified Supplier
Shenzhen Manli Technology Co., Ltd. is a high-tech manufacturing enterprise specializing in the R&D, production, and sales of lithium batteries.The product portfolio encompasses a wide range of battery types, including high-capacity, low self-discharge, power-type, and high/low-temperature varia... Shenzhen Manli Technology Co., Ltd. is a high-tech manufacturing enterprise specializing in the R&D, production, and sales of lithium batteries.The product portfolio encompasses a wide range of battery types, including high-capacity, low self-discharge, power-type, and high/low-temperature varia...
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