2 Results for "《〈 문의 OIO↗5793↗7458 》〉 셔츠룸후기た 《〈 문의 OIO↗5793↗7458 》〉 ⑷plenty㎋셔츠룸후기셔츠룸후기んteeth 셔츠룸후기선릉셔츠룸 강남셔츠룸￦셔츠룸ⓤsilverⓞ"

I needed to power a 5V project from a rectified transformer and needed something that was quick to build and easy to replace.

This is a dummy AA battery, with a soon-to-be switching regulator inside, allowing one to replace regular AA's with 14500 lithium cells.