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Duracell has incorporated select breakthrough technologies used in the original Duracell Ultra and put them into the new and improved CopperTop to give it increased performance and dependability at an excellent value. The CopperTop is best suited when you need reliable, long-lasting life from your everyday devices like remote controls, toys, personal stereos, flashlights, radios and pagers. In tests, the new and improved Duracell has shown up to a 25% longer life in toys compared to original Duracell batteries. Alkaline batteries are an efficient battery type that is both economical and reliable. In alkaline batteries, the hydrous alkaline solution is used as an electrolyte. The most common use of this solution is in a manganese-dioxide primary cell with potassium hydroxide as an electrolyte. During cell discharge, the oxygen-rich manganese dioxide is reduced and the zinc becomes oxidized while ions are being transported through the conductive alkaline electrolyte.

General Information Standard Warranty 1 Year Limited