Woman to well-endowed man - “Is that a BLF GT or are you just happy to see me?”
Woman to less-than-average man - “Is that a AAA Maglite or are you just happy to see me?”
Woman to aroused man - “Is that a zoomie in your pocket…?”

Maybe not as much pickup lines, but flashlight innuendo…

Do you like direct-drive?

These cells are not the only things that are high-drain…

Protected or unprotected?

Yeah, it was a tight host…

That button is hard to find in the dark…