Q:

What is the difference between Duracell and Energizer?

A:

Quick Answer

Duracell and Energizer alkaline batteries adhere to the standard AAA through D battery sizes and 1.5 volt voltage. They differ in price and life span.

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Full Answer

Canton State University of New York tested the life span of different types of Duracell and Energizer batteries in varying environmental conditions.

At room temperature, Duracell Coppertop batteries lasted for 41.1 minutes of continuous use and Energizer Max batteries lasted 54.4 minutes. Duracell Ultra batteries lasted for 59.5 minutes of continuous use and Energizer E2 batteries lasted for 56.1 minutes.

In cold temperatures, Duracell Coppertop batteries lasted for 32.3 minutes of continuous use and Energizer Max batteries lasted for 38.6 minutes. Duracell Ultra batteries lasted for 54.8 minutes of continuous use and Energizer E2 batteries lasted for 36.7 minutes.

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