I call dibs on the first couple hundred i get in...J/K.
Here's a teaser pic of the Kick inside a P+ 18650. For those who don't know, the kick is approximately 15mm long. By replacing your 18650 battery with an IMR 18490 you can place the Kick on top of your batteries postive post and convert it to a variable wattage device:
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That is one sexy circuit board thanks for sharing