This is a dummy battery to connect the AC adapter to AA battery dedicated quality.
I intended to upload 2 hole and 4 hole files, and I have uploaded 2 4 hole files. 2 hole uploaded again.
2019-03-26: I added a AAA size.
2019-03-31: I added a C & D size.
This explanatory note machine-translated Japanese to English with Google Translate.
Support is recommended only for the base.