Energizer E96-BP-2 AAAA 1.5V Alkaline Button Top Battery - 2 Piece Retail Card

Energizer 1.5V AAAA Batteries - 2 Piece Retail Card

Alkaline AAAA Button Top Cells

The AAAA battery is 43% lighter, 40% less in volume, and 20% thinner than a AAA battery, allying it to be utilized in more compact devices such as headphone amplifiers, Bluetooth headsets, remote controls, and home medical devices such as glucose meters and blood pressure monitors.