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 How does a battery backup work?

Answer A battery backup system can be a valuable addition to any office or home office computer setup. Also known as an uninterruptible power supply, these devices allow you to save any open work in the e... Read More »
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Top Q&A For: How does a battery backup work

How Long Does Battery Backup Emergency Power Last?

A small battery-powered uninterruptible power supply, or UPS, can run a personal computer from 5 to 30 minutes, depending on the size of the UPS and the size of the computer. Larger battery backup ... Read More »
http://www.answerbag.com/q_view/2289263

How Does a Car Backup Sensor Work?

Technology has gotten mankind to a point where even reversing accidents will become a thing of the past. Reverse sensors are able to warn if the driver is approaching an obstacle too closely.
http://www.ehow.com/facts_7352297_car-backup-sensor-work_.html

Why use battery backup?

Battery backup units, also referred to as uninterruptible power supplies, provide continuous AC power for computers in the event of a power failure from the electric company. Power can be lost for ... Read More »
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A DIY DC Battery Backup?

Making yourself a DIY DC battery backup makes sense, particularly if you have a favorite device you rely on regularly. If your battery dies or your charger fails, you can still use your device. Use... Read More »
http://www.ehow.com/how_7376052_diy-dc-battery-backup.html


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