AA and AAA cells — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/aa-aaa-cells/  (CC BY 4.0)
Basis: IEC 60086 standard; nominal values
Catalog version: 2026-10-20

Overall (mm): length 50.5, width 14.5, height 14.5
- 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.

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Wikipedia: List of battery sizes — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/List_of_battery_sizes

Free files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/aa-aaa-cells/index.json
API: https://xemstudio.com/api/geometry?object=aa-aaa-cells