Duracell Coppertop All-Purpose alkaline batteries are not only dependable, they're long-lasting. With a guarantee of 5 years in storage, you can rest assured these 9 Volt batteries will be ready when you need them during storm season or power outages. Duracell Coppertop batteries deliver reliable power to your everyday devices throughout the home, like laser levels, stud finders, flashlights, toys, CO detectors, door locks, multimeters, smoke alarms and more. Coppertop batteries are available in AA, AAA, C, D, and 9V sizes. Duracell guarantees these batteries against defects in material and workmanship. Should any device be damaged due to a battery defect, we will repair or replace it at our option. From storm season to medical needs to the holidays, Duracell is the #1 trusted battery brand.. Perfect for smoke alarms, smoke detectors and lanterns. Guaranteed for 5 years in storage. 1 Trusted Battery Brand. LONG-LASTING BATTERIES DESIGNED FOR DEPENDABILITY - Duracell Coppertop alkaline batteries deliver the lasting power and performance you can count on for electronic devices throughout the home or on-the-go. RELIABLE POWER - As a general-purpose battery, the Duracell Coppertop 9-Volt alkaline battery is made to power everyday devices throughout the home, like laser levels, stud finders, flashlights, toys, CO detectors, door locks, multimeters, smoke alarms and more. GUARANTEED FOR 5 YEARS IN STORAGE - Duracell guarantees each Coppertop 9-Volt alkaline battery to last 5 years in storage, so you can be confident these batteries will be ready when you need them. QUALITY ASSURANCE - With Duracell batteries, quality is assured; every Duracell product is guaranteed against defects in material and workmanship. #1 TRUSTED BATTERY BRAND - From storm season to medical needs to the holidays, Duracell is the #1 trusted battery brand; Coppertop is available in Double A (AA), Triple A (AAA), C, D, and 9V sizes. Battery Capacity (mAh): 0.0. Battery Power Type: Alkaline. Battery Size: 9-volt. Cell Type: Alkaline. Features: No Additional Features. Number in Package: 4. Safety & Security Product Type: Battery. Voltage (V): 9 V. Product Depth (in.): 5.63 in. Product Height (in.): 4.5 in. Product Width (in.): 0.7 in