I'm actually something of a flashlight junkie.
I have 3 2D cell maglites in different colors, each with LED upgrades and glass lenses. I also have a mini-mag - ditto the big ones plus with a tail switch and flat bezel so it stops rolling off the damn nightstand!
Plus, Surefire, micro-mag (AAA), a couple of headband and cap front lights, plus the cheapos. And a single-battery 6V lantern. And a gazzillion candlepower spotlight in the pickup. And . . . .
well, you get the idea.
The Kobalt light says N battery and 3V, so I am guessing 2xC123 batteries, Tom.