Energizer Industrial Alkaline AAA Battery offers an economical high rate source of portable power for todays devices that require heavy current or continuous use. Each battery provides four to nine times more energy than similar sized carbon zinc batteries. Battery Size: AAA. Battery Chemistry: Alkaline. Battery Capacity: 1250 mAh. Output Voltage: 1.5 V DC. Shelf Life: 7 Years at 21 C. Compatibility: Toys Digital Cameras Flashlights Smoke Detectors. 24 Pack.