Have a 12-volt battery and your electronic survival needs will be taken care of when SHTF. If you're worried about not being able to use your electronics, this hack will help you do just that! In particular, this hack will take care of all of your smaller scale electric needs. Take a look!
It’s cost effective and simple to create! Why didn’t I think of this? And that’s so much cheaper to take apart a 12-volt than buying little individual cell batteries. Have you ever tried a similar method with your batteries? How did it go?
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This is total$#%&!@* I’ve done his hack and come up with batteries that are D sized in diameter, but 1.5x the height of a D battery. Didn’t find aa’s or button cells. I got 4 giant cells for a maglight.