Because I'm not rich enough for a solar panel and car batteries are a little unconventional. I was thinking a dozen or so rechargeable D cells rigged in a series.
So, I want to have a microgrow of a single plant inside of a footlocker I currently do not use anymore. The plant has a Width/Dep/height growing space of approx. 2x2x5'. This plant will be small, and that is not only obvious but intended.
Instead of using a wall outlet and a bunch of LED...