We thought so. Listen up: We tested 15 AA batteries—the type typically used in digital cameras, flashlights, toys, radios, and remote controls—and found differences in performance and cost.

Duracell batteries ... car and TV remote. Before that, Duracell was part of Procter & Gamble, but in 2014, Berkshire Hathaway swapped P&G shares worth $4.7 billion for full control of the battery ...