Hi, here's a simple enclosure https://www.thingiverse.com/thing:4842648 based on the ubiquitous (at least in Europe) AP9 junction box. It fits a 4400 mAh LiPo and the box itself is rated IP65 though the mic hole might make it less water proof, even with a membrane :)
Works with any AP9-compatible mounting, e.g. https://www.thingiverse.com/thing:4762526
Kind regards, Thomas
Hi there, what acoustic vent did you use?