Introduction: Connect As Many Batteries As You Need Without a Battery Box
I am always trying to test something that requires more than one battery and was never able to hold two or three batteries the wires and whatever I was testing at once and still have it work - so never able to test. No More!
Now i just stick a neodymium magnet in between batteries and one at either end. The magnets hold the batteries and my alligator clips in place and now I can test what ever I need.
Standard disclaimers apply - this is just something I did. If you do it and break stuff, hurt yourself or injure others - I am sorry to hear it but that is about it. These magnets are strong and have a tendancy to snap back together faster than you can stop them. There is a very good chance that if you are using these with a live circuit that they can very quickly snap into a configuration that can immediatly short circuit and self destruct.
Magnets - 1 more than you have of batteries
Test leads with at least one end that is magnetic - just like the ones you find with alligator clips on each end.
Something that needs electricity
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Electronics Tips and Tricks