Energizer E90 LR1 N Size, 1.5 Volt Alkaline Battery

World's 1st Zero Mercury C Alkaline Battery: Energizer is a leader in the industry
Zinc-Manganese Dioxide (Zn/MnO2) No added mercury or cadmium
Shelf Life: 7 years at 21°C
Long-lasting energy for constant power consumption
Classification Alkaline