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A nuclear battery the size of an AA

1nfy

the last battery you will ever buy

Same 1.5 volts as a standard AA, same footprint, safe for a child to hold, and it never runs out. One battery, bought once.

Preorder For device makers

1nfy

the last battery you will ever buy

© 2026 1nfy. All rights reserved.

1nfy is a regulated power source. Marketing describes rated performance and a sealed, child safe enclosure. Never runs out refers to effective service life over decades, not literal infinity. Availability follows applicable safety and transport approvals in each region.