LR44

LR44 Battery – The Tiny Classic
A staple in the film photography world, the LR44 is the go-to button cell for a ton of classic gear. Used in everything from light meters to Pentax K1000s, Minolta SRTs, and countless other manual cameras, it’s the unsung hero behind accurate exposures. Always good to have a few of these stashed in your bag—because when your meter dies, guessing the light isn’t always the vibe.

• 1.5V alkaline button cell
• Fits cameras like the Pentax K1000, Minolta SRT,Also used in light meters and calculators
• Cheap, cheerful, and essential