Remote switch tail board with FET, so no added resistance, ideal for hunting

Annoyed with the low output with remote pressure switches for flashlight?

I did a board with a MOSFET to eliminate the extra resistance from the external switch
size 16-17mm, for 16mm the battery holder fins need to be cut a bit

I use a MOSFET with a low gate voltage which gets full output down to 1.8V

The MOSFET is powered by a CR1225 Lithium battery with 36mAh should run easily hundreds of hours on

Aliexpress has cheap remote switches, you could dismantle for the cable and pressure switch, or one that fits your flashlight
https://www.aliexpress.com/w/wholesale-remote-pressure-switch.html (link is external)
below 1$ to salvage the remote switch
https://www.aliexpress.com/item/2pcs-Remote-Flashlight-Switch-For-WF-502...

I've very interested in a FET switch for higher current P60 applications. I'll take it!