Specially formulated for power-hungry, high-drain devices - no competitor's alkaline batteries outlast RAYOVAC® FUSION™* AAA premium alkaline. FUSION™ AAA alkaline batteries excel in today's power-hungry devices including high-powered toys, video game controllers, wireless microphones and more. Plus, they're designed to prevent damaging leaks and tested twice prior to shipment to ensure reliability. These AAA batteries contain advanced power rings for consistent performance. The energy dense FUSION™ formula provides more power versus RAYOVAC® HIGH ENERGY™.