Batteries AAAA

AAAA

— the smallest of the 1.5-volt "A-type" cylindrical cells on the market — 43 mm in length and only 8.3 mm in diameter. It has not received much distribution: for relatively large devices it is often more convenient to use AAA batteries, and for small ones it is more convenient to use “coin” batteries. Technically, it can also be produced in the form of disposable batteries, but it is more common in the form of batteries.