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What is battery short circuit protection and how does it work?

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I want to buy a battery jump starter to keep in my car in case my car's battery dies. This is one of the features found on some jump starters but I don't know what this is.
asked Aug 5, 2015 in Automotive by Neeznoodle (7,080 points)
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Basically, it's a way for the device to shut off instead of shorting out if there were to be a surge in current. Batteries sometimes are protected, but if you use a device that isn't protected it could end up shorting out your battery or the device you're using for the jump. That's where the short circuit comes in, it basically returns current in a safe manner to where it came from, diffusing the situation before it damages anything. There is a lot of information on batteries out there, but here's a good lesson on safeguards that are in place for batteries[1].

 

battery protection

 

References -

 1 - http://batteryuniversity.com/learn/article/safety_circuits_for_modern_batteries

answered Aug 10, 2015 by zuulspaceman (37,960 points)
selected Aug 18, 2015 by Neeznoodle

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