Maker Pro
Maker Pro

Looking for a particular circuit

Hello, I’ve been scouring the internet for a while now but can’t find what I’m looking for. I don’t know the technical name for it is most likely why I so troubled. I’m trying to get my hands on a small cheap circuit that can take a small battery (9v) and after a variable amount of time, output the power source to terminals A and B on the board to where I can power whatever 9v load I desire.
 
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