# AA and AAA cells

> What are the dimensions of AA and AAA batteries for a holder?

- Category: Power & cooling › Batteries
- Kind: Standard part
- Basis: IEC 60086 standard; nominal values
- Page: https://xemstudio.com/objects/aa-aaa-cells/ · JSON: https://xemstudio.com/api/geometry?object=aa-aaa-cells · Plain text: https://xemstudio.com/objects/aa-aaa-cells/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses

## Overall (mm)

| length | width | height |
|---|---|---|
| 50.5 | 14.5 | 14.5 |

## Notes

- AA (LR6): Ø14.5 × 50.5 mm. AAA (LR03): Ø10.5 × 44.5 mm. Both have a ~1 mm positive button included in the length.
- Design holders for Ø14.7 / Ø10.7 to clear label wraps.

## Where the files are

- Wikipedia: [List of battery sizes](https://en.wikipedia.org/wiki/List_of_battery_sizes) — web — CC BY-SA 4.0 (text)

## Free STEP/STL (2 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/aa-aaa-cells/index.json

- cell-aa: [STEP](https://xemstudio.com/files/hardware/aa-aaa-cells/cell-aa.step) · [STL](https://xemstudio.com/files/hardware/aa-aaa-cells/cell-aa.stl) — AA Ø14.5 × 50.5 incl. 1 mm button
- cell-aaa: [STEP](https://xemstudio.com/files/hardware/aa-aaa-cells/cell-aaa.step) · [STL](https://xemstudio.com/files/hardware/aa-aaa-cells/cell-aaa.stl) — AAA Ø10.5 × 44.5 incl. 1 mm button

## Questions

**What are AA battery dimensions in mm?**

Ø14.5 × 50.5 mm (LR6), including the ~1 mm positive button. Design holders for Ø14.7.

**What are AAA battery dimensions in mm?**

Ø10.5 × 44.5 mm (LR03). Design holders for Ø10.7 to clear label wraps.

## Fits with

- [18650 lithium cell](https://xemstudio.com/objects/18650-cell/)
- [CR2032 coin cell](https://xemstudio.com/objects/cr2032-coin-cell/)