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2. Emergency light - Wikipedia

   en.wikipedia.org/wiki/Emergency_light

   An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. In the United States, emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories, apartments, and hotels.

3. Mechanically powered flashlight - Wikipedia

   en.wikipedia.org/wiki/Mechanically_powered...

   This, along with the long-life light-emitting diode which does not burn out like an incandescent bulb, give the flashlight a long lifetime, making it a useful emergency light. A disadvantage of many current models is that the supercapacitor cannot store much energy in comparison to a lithium-ion cell, limiting the operating time per charge.

4. Emergency vehicle lighting - Wikipedia

   en.wikipedia.org/wiki/Emergency_vehicle_lighting

   Emergency vehicle lighting, also known as simply emergency lighting or emergency lights, is a type of vehicle lighting used to visually announce a vehicle's presence to other road users. A sub-type of emergency vehicle equipment , emergency vehicle lighting is generally used by emergency vehicles and other authorized vehicles in a variety of ...

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   A large data-center-scale UPS being installed by electricians. An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.

7. Why airlines plug up emergency exits - AOL

   www.aol.com/why-airlines-plug-emergency-exits...

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8. Backup battery - Wikipedia

   en.wikipedia.org/wiki/Backup_battery

   Data center UPS backup batteries may be wet cell lead-acid or nickel cadmium batteries, with lithium ion cells available in some ratings. Battery module of a Hewlett-Packard RAID controller Server-grade disk array controllers often contain onboard disk buffer , and provide an option for a "backup battery unit" (BBU) to maintain the contents of ...

9. 28 AGs call on U.S. Supreme Court to intervene in ... - AOL

   www.aol.com/28-ags-call-u-supreme-155600180.html

   (The Center Square) – A coalition of 28 attorneys general has petitioned the U.S. Supreme Court to intervene in a case in which Mexico is blaming U.S. gun manufacturers for Mexican cartel gun ...