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Emergency Lighting Blog

News and Information for Public Egress, Building Safety and Government Compliance

Monthly Archives: January 2014


Batteries that Give Power

Common questions that are asked to us here at Emergency Lite Service Center relate to batteries. What battery fits my exit sign or emergency lighting fixture, or specifically, how come my lights don’t work on my LED R-1?

To stay within code, it is required to have sufficient lighting and properly placed exit signs. Depending on where you are located in the country, it is important to understand what is needed for your establishment. With batteries, typically the fixtures are battery back-up which means the battery’s purpose is to provide light and illumination in the event of a power outage up to 90 minutes.

For most exit signs, emergency lighting units, combo units (both exit sign and emergency lighting), the battery used is a 6 volt 4.5 amp hour. That’s sufficient enough to power your fixture. Depending on what type of battery you have, sealed lead acid (SLA) has a life span of 3-5 years and a nickel-cadmium (NiCad) has a life span of 5-7 years. It is also important to test your fixture once every 30 days.

When the lights go out, the emergency lights kick on and the exit signs stay illuminated. That way, your patrons, customers, employees, and other people in your place of business can safely find their way out without fishing for the exit in the dark.