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 | 3.6V |
| capacity | 4000mAh |
| Weight | 130g |
| Discharge Cut-off Voltage | 3.0V (1.0V per cell) |
| Standard Charge | 0.1C (400mA) for 14-16 hours |
| Internal Resistance | ≤15mΩ |
| Self-Discharge Rate | 25-35% per month (at 20°C) |
| Cycle Life | ≥500 cycles |
| Place of Origin | China |
| Model Number | D4000mAh 3.6V |
View Detail Information
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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 | 3.6V | capacity | 4000mAh |
| Weight | 130g | Discharge Cut-off Voltage | 3.0V (1.0V per cell) |
| Standard Charge | 0.1C (400mA) for 14-16 hours | Internal Resistance | ≤15mΩ |
| Self-Discharge Rate | 25-35% per month (at 20°C) | Cycle Life | ≥500 cycles |
| Place of Origin | China | Model Number | D4000mAh 3.6V |
| High Light | Emergency Lighting Battery D4000mAh ，Emergency Lighting Battery Ni Mh ，130g Emergency Lighting Battery | ||
Features
High Capacity: 4000mAh provides extended runtime for emergency systems.
Low Memory Effect: Minimal capacity loss from partial cycling.
Wide Temperature Range: Reliable performance in various environments.
Float Charge Optimized: Designed for continuous standby operation.
Maintenance-Free: Sealed construction, no watering required.
Safety Enhanced: Lower risk of thermal runaway compared to Li-ion.
Good Cycle Life: 500+ cycles with proper maintenance.
Specifications
| Model | D-D4000mAh 3.6V |
| Dimension | 33.0*61.8mm (Diameter*Height) |
| Voltage | 3.6V |
| Capacity | 4000mAh |
| Iedance | <15 mΩ |
| Discharge cut-off voltage | 3.0V (1.0V per cell) |
| Maximum Charge voltage | 1.4V |
| Standard charge current | 0.1C (400mA) for 14-16 hours |
| Weight | 130g |
| Working teerature | Charge:0-40 degree |
| Discharge:-10-50 degree | |
| Storage teerature | minus 20 - 30 degree |
| Self-Discharge Rate | 25-35% per month (at 20°C) |
| Cycle life | 500-1000cycles |
LED Emergency Lights: High-capacity backup for LED fixtures
Security Systems: Alarm panels, access control backup
Emergency Exit Signs: Self-contained emergency signage
Backup Power: UPS systems, medical equipment backup
Portable Emergency Devices: Emergency lanterns, flashlights
Warnings & Precautions
Charging
Float Charge Voltage: Maintain 4.3V-4.5V for emergency lighting applications
Temperature Monitoring: Charge between 0°C and 40°C only
Avoid Overcharging: Use chargers with proper termination features
Never charge at currents exceeding manufacturer's specifications
Operation & Maintenance
Capacity Monitoring: Replace if runtime falls below required minimum
Terminal Maintenance: Keep terminals clean and free from corrosion
Ventilation: Ensure adequate ventilation around battery compartment
Storage & Handling
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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