Duracell Coppertop 9V Alkaline Batteries provide long-lasting, reliable power for household and office devices. This 8-pack of professional-grade alkaline primary cells delivers 9 volts of power with snap connectors for easy installation.

These batteries feature Duralock Power Preserve technology, which keeps unused batteries fresh and powered for up to 5 years in storage. The Coppertop design is engineered to operate reliably in extreme temperatures ranging from -4°F to 129°F, making them suitable for both indoor and outdoor applications. Each battery weighs 1.8 ounces and measures approximately 1.9 inches by 1.0 inch by 0.6 inches.

Ideal for smoke detectors, carbon monoxide detectors, garage door openers, wireless microphones, guitar pedals, toys, remote controls, flashlights, calculators, clocks, radios, wireless keyboards and mice, and other household electronics. Duracell is the #1 trusted battery brand, and these batteries are guaranteed against defects in material and workmanship. Each battery is individually date-coded for quality assurance. Contains no added mercury.