Emergency Lighting Battery Nimh D4000mAh 3.6V

Features

1. Environmentally Friendly: Cadmium-free chemistry, RoHS compliant.

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

3. Low Memory Effect: Minimal capacity loss from partial cycling.

4. Wide Temperature Range: Reliable performance in various environments.

5. Float Charge Optimized: Designed for continuous standby operation.

6. Maintenance-Free: Sealed construction, no watering required.

7. Safety Enhanced: Lower risk of thermal runaway compared to Li-ion.

8. Good Cycle Life: 500+ cycles with proper maintenance.

Specifications

Application

• Emergency Lighting Systems: Exit signs, emergency luminaires

• 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

• USE NiMH-SPECIFIC CHARGERS ONLY. Do not use NiCd or Li-ion chargers.

• 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

• Regular Testing: Perform monthly functional tests and annual duration tests

• 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

• Storage Conditions: Cool, dry environment (15°C-25°C ideal)
• Charge State: 40-50% capacity for long-term storage
• Recharge Frequency: Every 3-4 months during storage
• Handling: Avoid dropping or mechanical shock

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 variants. These products are widely utilized in various smart drones, model aircraft, emergency power supplies, lighting fixtures, toys, smart home appliances, and other consumer electronics. The company possesses comprehensive R&D, design, and manufacturing capabilities, a robust quality management system, as well as testing facilities for battery performance and safety compliance. We are fully equipped to meet customers' personalized and diverse needs with tailored solutions, delivering cost-effective and reliable battery products. Our battery products have obtained third-party certifications such as UL, CE, KC, CCC, BIS, CB, PSE, REACH, ROHS, and UN38.3.
We aspire to collaborate with like-minded partners worldwide, leveraging advanced battery technology to strive for a greener, smarter, and more sustainable future.