What battery last longest in a flashlight Duracell or energizer?

Answer it would be duracell because i did a experiment on it for my science fair project.

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What battery lasts the longest Duracell or Energizer?

Which battery lasts the longest: Duracell, Energizer, EverReady or Rayovac?

On One Hand: Rayovac Lasts the LongestDespite what advertisements might claim, a study by shows that Rayovac batteries last longer than Duracell or Energizer regular. Duracell U... Read More »

What is the difference between a duracell c battery and an energizer c battery?

Which lasts the longest duracell or energizer?