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A minimalist graphic featuring a gold circle, an orange lightning bolt, a laboratory flask, and a circuit board.

Small but deadly button cell trivia for those who think they own the leaderboard

Batteries

Difficulty

Hard

Questions

18

Volts

3/q

Tiny zinc-air powerhouses and silver-oxide discs keep the world’s precision tech ticking. They pack high energy into a microscopic frame. Think you can differentiate cathode materials under pressure? Prove your grip on the chemistry that fuels your wrist and your remote.

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