If the cars take batteries, we use AA batteries of capacity 2,450mAh and AAA batteries of 750mAh. The best remote control cars still go after three hours, while the worst don't even make it to the ...

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 ...