Duracell® is the #1 trusted brand , so you know it is a battery you can trust. Duracell® CopperTop all-purpose alkaline batteries are not only dependable, they’re also long-lasting. You can take comfort in a 10-year guarantee (5-year guarantee for 9V) in storage with Duralock Power Preserve™ Technology. Equivalent to: LR8D425, E96, 25A, MN2500, MX2500. Size (mm): 42 X 8. Best uses: electronics, glucose and blood pressure monitors, cameras and more. Ultra AAAA Batteries are specially formulated for today's photo and electronic devices. Use batteries with PDAs, palm top computers, cameras, minidisc players, handheld TVs and remote control toys. General Information Manufacturer:Duracell Inc.Manufacturer Part Number:MX2500B2PKManufacturer Website Address:http://www.duracell.comBrand Name:DuracellProduct Name:ULTRA Alkaline AAAA 1.5V Battery - MX2500Marketing Information:Ultra AAAA Batteries are specially formulated for today's photo and electronic devices. Use batteries with PDAs, palm top computers, cameras, minidisc players, handheld TVs and remote control toys. Packaged Quantity:2 / PackProduct Type:Battery Battery Information Application/Usage:MultipurposeBattery Size:AAAABattery Chemistry:AlkalineOutput Voltage:1.5 V DC Miscellaneous Compatibility: Toys Radios Pagers Lanterns Cameras Flashlights Recorders CD players Calculators Smoke Alarms Electronic Games Medical Equipment Recycled:NoCountry of Origin:China Product Numbers: 41333-66287 041333662879 DUR66287 805599 DURMX2500B2PK