1IXR19/66-2 DISON – 3.7V 5Ah Li-ion Emergency Lighting Battery, With a Higher Capacity For Greater Reliability

Other Information for the 1IXR19/66-2

Cross referenced with other manufacturers part numbers:

BBL 2/18650-A-DISON-C041F
DISON 3.6V 4600mAh 17.02Wh 21W50
DISON DISON 1IXR19/66-2
DISON 1INR19/66-2 DISON

If a connector is fitted please check that the plug is correct and that the red + lead is in the correct position. If any terminals are fitted then please check that the sizes of these are correct.

Lithium-ion (Li-ion) batteries are increasingly the industry standard for powering emergency lighting. They offer superior energy density, a compact footprint, and a long cycle life compared to traditional alternatives like NiCd or Lead-Acid.

The primary considerations and best practices for Li-ion emergency lighting include:

Preferred Chemistry LiFePO4

While consumer electronics use various lithium chemistries, emergency lighting primarily relies on Lithium Iron Phosphate LiFePO4. Because emergency lights typically operate in a “standby” mode (constant trickle charging rather than full cycling), LiFePO4 is significantly less prone to internal degradation and thermal issues.

Key Advantages

Extended Lifespan: They boast a longer cycle life, frequently lasting 8–10 years and reducing maintenance or replacement cycles.

Energy Density: They pack more power into a lightweight, compact design, making installation easier and allowing for sleeker emergency fitting designs.

Low Self-Discharge: They lose only about 3-5% of their charge per month, maintaining readiness even if unused for long periods.

Eco-Friendly: Unlike Nickel-Cadmium, lithium is generally not classed as hazardous waste.

Critical Requirements & Safety

Thermal Management: Li-ion batteries can be sensitive to extreme heat and overcharging, which can trigger “thermal runaway”. It is highly recommended to only use systems that feature robust thermal monitoring and smart-charge battery drivers.

Protection Circuits: Good quality Li-ion emergency luminaires will have built-in Battery Management Systems (BMS) or protection circuits to prevent over-voltage and overheating.

Luceco Lighting is a global leader in designing and distributing sustainable, high-efficiency LED lighting. As part of the larger Luceco Group (which includes BG Electrical and Masterplug), they supply both trade professionals and consumers with indoor, outdoor, commercial, and emergency lighting, alongside wireless control systems.

Core Product Ranges

Indoor & Commercial Lighting: Known for popular fire-rated, IP65-rated LED downlights like the FType Essence.

Outdoor & Security: Features motion-activated, solar-powered security lights such as the Guardian.

Site & Portable Lighting: Provides heavy-duty work lights, inspection lamps, and head torches.

Platform Lighting Controls: Offers advanced Bluetooth mesh-standard wireless systems for commercial spaces, allowing for presence detection, daylight harvesting, and automated dimming without excessive wiring.

Services & Tools

Luceco provides extensive support for large-scale and trade projects. Professionals can utilize their dedicated support to get tailored solutions, energy consumption audits, and Lighting Industry Association (LIA)-certified design layouts. They also provide built-in lighting calculators to help contractors easily estimate the number of luminaires needed for specific spaces.

Why Choose Luceco?

Energy Efficiency: Focused heavily on net-zero goals, cutting down energy use, and responsible manufacturing.

Ease of Installation: Many products feature tool-less connectors and wireless setups to reduce labor and installation time.

Availability: Products are readily available through major UK electrical wholesalers, home improvement stores like B&Q or Screwfix, and online retailers.