It's a very nice concept and I think it's much better than the held-together-with-duct-tape concepts usually seen in diy bike conversions. That being said, I a

It's a very nice concept and I think it's much better than the held-together-with-duct-tape concepts usually seen in diy bike conversions. That being said, I am a bit skeptical about your claims to be fireproof. Did you try to start a battery fire inside your enclosure? Aluminum melts at about 600C, while lithium burns much hotter than that.