Not that I support Bics or any other perticular brand of lighter. I generally buy the no name store stocked cheapies. I have found it is normally not the lighter that is at fault for loosing fuel in kits especially the smaller ones.

Most people tend to try to cram as much as possable in the smallest space available. The ploblem that happens in many cases is that something ends up jammed into the fuel release lever of the lighter. This opens the valve and out goes the gas. Some time slowly or at full flow. The the negt time it is checked It is dead. Then the assumtion is that it leaked because the lighter is defective. But it was an operator error to begin with.

I have had several lighters that were stashed for more than 5 years or more that still work like new. In fact one is a Bic. Years ago I bought one of those multi packs of various colored lighters. Since Pink isn't really my color I stuck the pink one in a rearely used pocket of my heavy winter jacket. Kind of a last resort emergency back up. Every year when I break out the coat I check the lighter. Having been forgatten. Run through the washer and dryer several times. And generally ignored for at least 5 years and probably more like 7 or 8 years. It still works fine when I remember to test it at the begining of the cold weather season.