Battery life for emergency lighting
Battery life for emergency lighting
(OP)
Manufacturers of self contained emergency luminaires, the type used in many buildings, either maintained or otherwise,in the past recommended a battery replacement after 5 years. I was wondering, given advanced battery technology does such a precaution still have to be taken






RE: Battery life for emergency lighting
You can check reliability data for different types of batteries. In the absence of such data, I would consider manufacturer's recommendations.
RE: Battery life for emergency lighting
Like when sometimes the lamps start burning out way prior to the hours listed in lamp manufacturers' catalogues and clients start calling me about their dark parking lots and I of course call the lamp manufacturer..... the stock response is that the listed of hours is a "mean" of the test data...... meaning that a certain percentage burn out prior to the listed hours and a certain percentage burn out after the listed hours.
Therefore, in my opinion, following the manufacturer's recommendations is the way to go.
RE: Battery life for emergency lighting
http://www.ccl-light.com/docs/exit/exit3.html
No batteries required.