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2. Backup battery - Wikipedia

   en.wikipedia.org/wiki/Backup_battery

   Backup batteries are almost always used in burglar alarms. The backup battery prevents the burglar from disabling the alarm by turning off power to the building. Additionally these batteries power the remote cellular phone systems that thwart phone line snipping as well.

3. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   A rare battery, sometimes used in car security (car alarm/keyfob batteries), organizer (backup battery for PDA such as Psion etc.), and some pedometers. Also known as DL1130, BR1130, KL1130, L1130, ECR1130, KCR1130, E-CR1130, KECR1130 [ 144 ] [ 145 ]

4. Security alarm - Wikipedia

   en.wikipedia.org/wiki/Security_alarm

   A security alarm is a system designed to detect intrusions, such as unauthorized entry, into a building or other areas, such as a home or school. Security alarms protect against burglary or property damage, as well as against intruders. Examples include personal systems, neighborhood security alerts, car alarms, and prison alarms.

5. EXPLAINER: Will burglar alarms still work after 3G shutdown?

   www.aol.com/finance/explainer-burglar-alarms...

   An alarm-industry lobbying group estimates that 1.5 million customers still need to upgrade their fire or burglar alarms, while about half a million have medical alert devices that run on 3G; it ...

6. Standards for Alarm Systems, Installation, and Monitoring

   en.wikipedia.org/wiki/Standards_for_Alarm...

   The standard details requirements for a range of alarm systems including central station burglar alarms, police station connected alarms, local alarms, proprietary systems, holdup alarms, and digital alarm communicator system units. It also covers power supplies essential for burglar-alarm equipment operation.

7. A23 battery - Wikipedia

   en.wikipedia.org/wiki/A23_battery

   An A23 battery is cylindrical and approximately two-thirds the length of an AAA battery, measuring 28.2 mm (1.11 in) long and 10.0 mm (0.39 in) in diameter, with a typical weight of 8 grams. An A23 battery is an 8- cell device with a nominal voltage of 12 V.

8. UL (safety organization) - Wikipedia

   en.wikipedia.org/wiki/UL_(safety_organization)

   UL 1037, Antitheft Alarms and Devices (ANSI Approved: August 24, 2023) [39] UL 1076, Proprietary Burglar Alarm Units and Systems (DOD Approved: April 09, 1992, ANSI Approved: February 16, 2021) [40] [41] UL 1481, Standard for Power Supplies for Fire-Protective Signaling Systems [42] UL 1610, Central-Station Burglar-Alarm Units [43]

9. AOL Mail

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   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!