Library › Everyday objects › Batteries ·

AAA battery (LR03)

Name: AAA battery (LR03) dimension sheet
Creator: Xem Studio
License: https://creativecommons.org/licenses/by/4.0/

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

Also called: aaa battery dimensions, aaa battery size, lr03 size, medidas pila AAA, dimensões pilha AAA, AAA Batterie Maße, dimensions pile AAA

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

length: 10.5 mm
width: 10.5 mm
height: 44.5 mm

Notes

AAA (LR03 / ANSI 24A): diameter 9.5–10.5 mm, height 43.3–44.5 mm.
Design holders to the MAX values: cells from any maker stay inside them. The file is the maximum-size cylinder with a button.

AAA battery size chart

dimension	value
diameter	9.5–10.5 mm
height	43.3–44.5 mm
IEC	LR03
ANSI	24A

Where the files are

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

Energizer

AAA 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

aaa-cell-max

Ø10.5 × 44.5 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=aaa-battery