Fuel Cell Refills (6 cells) - Additional fuel for Stove In A Can portable stove for camping, hunting, emergency preparation, disaster readiness. The perfect Gift. Fuel Cell Refills (6 cells) - Additional fuel for Stove In A Can portable stove for camping, hunting, emergency preparation, disaster readiness. May be used for A Fire starter by Breaking into 6-12 Pieces, will burn from 60-90 minutes. The perfect Gift.