Emergency duration: 90-180 minutes for stable discharge

Switching time: ≤1 second (North American ≤10s, European ≤0.5s)

Illumination and optical performance: channel ≥1–2 lux, uniformity ≤20:1

Battery life: ≥1000 cycles, 3–5 year replacement cycle

LED lifespan: L70 ≥ 50,000–100,000 h

Environmental adaptability: -20℃~+50℃, IP65 / IK08

Flame retardant and safe: the housing is UL94 V-0, and the entire device meets UL/EN/CE

Intelligent functions: self-checking, remote monitoring, centralized management

The capabilities that manufacturers must possess (corresponding to the indicators)

1.R&D capabilities

Standards interpretation skills: Familiarity with UL 924, NFPA 101, EN 1838, EN 60598-2-22, etc. ensures compliance from the outset.

Optical design capabilities: Ability to perform IES light distribution simulation and Dialux/Relux illumination simulation to ensure illumination and uniformity.

Battery and BMS development capabilities: Master the lithium battery management system to provide overcharge/over-discharge/temperature control protection, ensuring reliable discharge for 90–180 minutes.

Thermal simulation capability: Heat dissipation simulation can be performed during the design phase to ensure LED and battery life.

2.Technology and production capacity

High-precision SMT technology: ensures the stability of LED drive and control circuits.

Housing molding process: flame-retardant injection molding, die-cast aluminum, surface anti-UV/anti-corrosion treatment, meeting IP/IK rating.

Glue potting/sealing process: ensures IP65 protection and adapts to high and low temperature and hot and humid environments.

Battery module assembly capabilities: cell sorting, spot welding/nickel strip processing, heat shrinkage and insulation protection.

3.Quality and testing capabilities

Full-process QC control: IQC → IPQC → FQC → OQC, focusing on testing switching time, discharge time, and self-test functions.

Lifespan and reliability laboratory: Conducts 1000-hour accelerated aging, thermal shock, salt spray, UV aging, etc. to ensure the lifespan of LEDs and batteries.

Electrical safety testing capabilities: withstand voltage, insulation, and EMC, ensuring compliance with UL/EN/CE.

Illumination and optical testing: equipped with integrating spheres and goniophotometers, capable of issuing IES test reports.

4.Supply chain and delivery capabilities

Direct procurement channels for core components: cooperation with high-quality LED chips (Cree, Samsung, Nichia), batteries (LG, Panasonic), and driver manufacturers.

Dual-base/multi-regional factories: Ensure stable supply to major customers (e.g. China + Vietnam).

Flexible production capabilities: can meet customers' customized BOMs and certified versions for different markets.

5.Certification and compliance capabilities

Certification experience: Experience in third-party inspection and rectification such as UL/CSA/EN/CE/TÜV, and familiarity with the process.

Environmental compliance capabilities: RoHS, REACH, WEEE, Battery Directive, and the ability to issue material certification and environmental documents.

Traceability system: Each product can be traced back to batch and test data.

6.Service and support capabilities

ODM/OEM capabilities: From customer paper design → sample development → mass production.

After-sales system: 3-5 years warranty, replaceable battery, maintenance manual provided.

Technical support: Provide optical simulation, installation guidance, and certification consulting.

Conclusion

To achieve the core indicators of a high-quality emergency light/exit sign, the manufacturer must have:

R&D: Standard interpretation, optical simulation, battery and BMS R&D, thermal simulation;

Production: Automated SMT, flame-retardant injection molding, waterproof glue potting, and battery module assembly;

Quality Control: Full-process QC, lifespan/reliability labs, and electrical/optical testing;

Supply Chain:Direct sourcing of core components, stable supply from two locations, and flexible customization;

Certification: UL/EN/CE certification experience, environmental compliance, and traceability systems;

Service: ODM/OEM development capabilities, after-sales support, and global customer case studies.

This ensures that the product not only meets the standards, but also surpasses them in terms of lifespan, reliability, and intelligence.