The EN92 is an AAA alkaline battery manufactured by Energizer, featuring a zinc-manganese dioxide (Zn/MnO2) chemical system with no added mercury or cadmium. It delivers a nominal voltage of 1.5 volts with a fresh internal resistance of 150 to 300 milliohms, and operates reliably across a temperature range of -18°C to 55°C. The battery has a typical capacity of up to 1200 mAh under continuous discharge to 0.8 volts at 21°C, with a shelf life of 10 years at 21°C. The EN92 is well-suited for consumer electronics including lighting, tape/game/digital audio devices, remote controls, and photoflash applications, offering consistent performance across diverse discharge profiles and environmental conditions.