Re-Using Thermacell Butane Canisters 

Remove Main Valve

Remove 1-way Calve

Using a 3.5mm wood screw, screw into the valve and pull it out.

Butane Fuel Adaptor

Filling the butane container with the adaptors that come with the butane refill can will cause you some grief.

I ended up printing one I found online.

https://www.thingiverse.com/thing:3672072

Not a great seal around the can but opened up the valve on the canister perfectly.     

Thermacell Backpacker Hack

Don't want to refill the small butane canisters?

The Thermacell Backpacker allows you to connect a standard butane canister.

Want to use propane instead? The you can buy an adaptor and run it off of propane!

We can modify the Thermacell BackPacker to run on propane using this adaptor: [ amazon ]

Purchasing Pads

Purchased some Electric Mosquito Coils Household Pad off of AliExpress.

References