Very simple mod that makes power boosters stackable.

Warning: if you unisntall this mod all but one stacked power booster will be lost, so 200 stacked mk5 boosters will become 1 mk5 booster.

To install
Extract the contents of the "Stackable power boosters" archieve to %localappdata%\ProjectorGames\FortressCraft\Mods

To uninstall
Delete Bunnymodder.Stackablepowerboosters from %localappdata%\ProjectorGames\FortressCraft\Mods\

This mod made with FortressCraft Evolved Modding Tool found HERE