Prospective TK looking for input. Before I shell out for the conventional electronics that I've seen used by troopers I was looking at some alternatives. First for the helmet fans, would it be feasible to mount this fan inside the helmet https://www.amazon.com/Hand-Free-Rechargeable-Adjustable-Headphone-Traveling/dp/B07RX7ZWWT/ref=sr_1_12?crid=1N2X6Y6PBIXKD&dchild=1&keywords=rechargeable+fan+portable&qid=1609891137&sprefix=rechargeable+fan%2Caps%2C209&sr=8-12 Has anyone