Usability: Pack of 2 Max D alkaline batteries of uninterrupted energy for your family's essential devices - toys, flashlights, wireless mice, remote controls and more durability: the energy pilas Power Max retains energy up to 10 years stored, without leaks or sulfations for you to have energy when you need it most. Normal (alkaline, zinc-carbon and nimh). In constant evolution, he achieves an anti -leak design that guarantees that batteries will not suffer storage losses, allowing the consumer to enjoy them whenever he wants.