AA to C Battery Adapter

by blecheimer, published

AA to C Battery Adapter by blecheimer Dec 25, 2012

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It is Christmas and all shops are closed. But I really do need some c-type batteries and I need them now.
Simple solution - print an adapter for rechargable AA batteries (I have a lot of them).

There are some adapters from AA to C on thingiverse, I tried them but they did not do the job. Some are too thight for my rechargable AAs, some are too big and so on. So I just made my own adapter.


Print it - insert an AA battery - smile!

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Thanks! My son reaaallllly wanted to play with his toy that needed 2 C's when all we had were AA's. This was perfect!

Thanks for your comment!
That's why I love 3D printing. ;)

good design, I like the springy "spokes" good idea. I used to make something similar, Just a plastic battery with a brass rod (wire) down the center as a conductor. Useful for reducing voltage (say 4 to 3 or 2 batteries) on certain devices I was testing, while using a standard Radioshack 4 battery case.

I think this is the best one yet on Thingiverse. It expands and fits every different battery I tried in it. Not to loose and not too tight It's just perfect!

Thanks! :-)