I would prefer an unregulated series box with a voltmeter, but I'm interested in OKR's as well. I wouldn't be opposed to a parallel box however. A self adjusting/floating 510 would be a feature I'm looking for as well as a magnetic backplate and mosfet. I'm not too picky when it comes to cosmetics/color or whether its brand new or used. Show me what you got, thanks guys!
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