# AAAA battery (LR8D425)

> What are the dimensions of an AAAA battery?

- Category: Everyday objects › Batteries
- Kind: Modern device
- Basis: Energizer datasheet (IEC 60086 limits)
- Page: https://xemstudio.com/objects/aaaa-battery/ · JSON: https://xemstudio.com/api/geometry?object=aaaa-battery · Plain text: https://xemstudio.com/objects/aaaa-battery/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 8.3 | 8.3 | 42.5 |

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

## 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.

## Sizes

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

## Where the files are

- Energizer: [AAAA datasheet](https://files.batteryjunction.com/frontend/files/E96.pdf) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/aaaa-battery/index.json

- aaaa-cell-max: [STEP](https://xemstudio.com/files/hardware/aaaa-battery/aaaa-cell-max.step) · [STL](https://xemstudio.com/files/hardware/aaaa-battery/aaaa-cell-max.stl) — Ø8.3 × 42.5 mm, the maximum envelope

## Questions

**How big is an AAAA battery?**

Up to 8.3 mm across and 42.5 mm long.

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