The torches in the section all have an Extended Runtime. The variable used to define extended runtime is an output at full output of 3 hours or greater. Note that for Dual Output or Variable Output models the lowest beam setting is used for admission to this category.
The flashlights from the Surefire range that meet the criteria of Extended Runtime are listed after this Buyers Guide article or you can click the following links for in-depth information about each of the torch models -
