Library › Everyday objects › Batteries ·

AAAA battery (LR8D425)

Name: AAAA battery (LR8D425) dimension sheet
Creator: Xem Studio
License: https://creativecommons.org/licenses/by/4.0/

What are the dimensions of an AAAA battery? · Modern device · basis: Energizer datasheet (IEC 60086 limits)

Also called: aaaa battery dimensions, aaaa battery size, lr8d425 size, medidas pila AAAA, dimensões pilha AAAA, AAAA Batterie Maße, dimensions pile AAAA

Exact dimensions. True size, with no printing tolerance added.

length: 8.3 mm
width: 8.3 mm
height: 42.5 mm

Notes

AAAA (LR8D425 / ANSI 25A): diameter 7.7–8.3 mm, height max 42.5 mm.
Design holders to the MAX values: cells from any maker stay inside them. The file is the maximum-size cylinder with a button.

AAAA battery size chart

dimension	value
diameter	7.7–8.3 mm
height	max 42.5 mm
IEC	LR8D425
ANSI	25A

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Energizer

AAAA datasheet

web

Publisher's page; dimensions are facts

Free files

★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

aaaa-cell-max

Ø8.3 × 42.5 mm, the maximum envelope

STEP · STL

Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.

Set it up →

Plain text: sheet.txt · JSON: /api/geometry?object=aaaa-battery