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20 pack of Energizer MAX alkaline AAA batteries Our No.1 Longest Lasting MAX AAA battery powers everyday devices Leak resistant construction protects your devices from leakage of fully used batteries for up to 2 years. Bonus: It’s guaranteed Power for your nonstop family’s must have devices like toys, flashlights, clocks, remotes, and more Holds power up to 10 years in storage, so you’re never left powerless From the makers of the No.1 longest lasting AAA battery (Energizer Ultimate Lithium), and the Energizer Bunny Energizer created the world’s first zero mercury alkaline battery (commercially available since 1991), and it hasn’t stopped innovating since.