I need to carry a flashlight, so called by me, in my purse - in contrast to the humongo flashlight I keep in the bedroom in case of power outage or a sudden need to whack a mole. That one takes 4 'd's'. Luckily I don't use it often so they last a long time, and so spare me expense, knock on wood.
Anyway, my much smaller purse flashlights take 2AAs. I never have noticed what the companies call those smaller items that one puts the batteries into to acquire light.
Re the question, I've not had any of the small batteries not contact well, ever, unless I put the damned thing in incorrectly, which I'm capable of.