One of the most important things to consider in emergency lighting is how long the light will last. There are two issues here. One is the design of the light bulb itself. The other is how long the batteries energizing the light will last. Of course, for those times when home emergency lights do run out, it’s always a great idea to have a backup on hand.
Emergency Lighting | Good-to-Know Facts
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Emergency Lighting: How Long Will It Last?
Emergency Lighting: How Long Will It Last? Photo by The Grife
Electrical light bulbs, fluorescent light tubes, and LEDs can last for thousands of hours. Below is a table comparing the operating lifetimes of various emergency lighting sources, showing how long each should last.
If you have electrical power, these lights should last for the hours shown in Table 1.
Emergency Lighting and Battery Power
If you’re using battery-powered flashlights or lanterns, the number of hours you can get out of fresh batteries becomes important. Here are some interesting facts concerning the emergency lights battery.
You can determine the battery’s capacity by the hours it can put out electrical current (amps or milliamps)—based on the DC
Originally posted on Survival Life