I made a AAAA to AA and AAA adapter. Take out the six 1.5V AAAA cells in 9V batteries and use them to power larger devices! Good if you have a lot of 9V Batteries laying around and need AA or AAA in a pinch.
Here's the build and use video https://youtu.be/eSPtAJFd5-k
For use with these springs: https://www.amazon.com/gp/product/B072379C1R/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=tpalstore-20&creative=9325&linkCode=as2&creativeASIN=B072379C1R&linkId=181a22f147f427f2acd78c05e4dcc7a1
| AAA_Battery_cap.STL | 15.7KB | |
| AA_Batt.STL | 19.2KB |
