Everest Power AAA batteries are extra heavy duty carbon batteries that provide reliable 1.5V power for everyday electronic devices. This mercury-free 4-pack features durable construction and comes in secure blister packaging for maximum freshness and convenience. Key features: • Extra heavy duty carbon battery construction • 1.5V AAA size • 0.0% mercury content • Pack of 4 batteries • Blister pack packaging • Long-lasting performance These carbon-zinc batteries are optimized for standard drain devices and everyday electronics. For optimal performance, store in a cool, dry place away from direct sunlight. Do not mix with other battery types or used batteries. The orange and black packaging design makes the product easily recognizable on store shelves.