{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "aa-aaa-cells",
 "name": "AA and AAA cells",
 "kind": "standard",
 "category": "Power & cooling",
 "group": "Batteries",
 "year": null,
 "question": "What are the dimensions of AA and AAA batteries for a holder?",
 "tags": [
  "battery",
  "cell",
  "holder"
 ],
 "aliases": [
  "aa battery",
  "aaa battery",
  "lr6",
  "lr03"
 ],
 "overall_mm": {
  "length": 50.5,
  "width": 14.5,
  "height": 14.5
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 2,
 "url": "https://xemstudio.com/objects/aa-aaa-cells/",
 "sheet_txt": "https://xemstudio.com/objects/aa-aaa-cells/sheet.txt",
 "sheet": {
  "basis": "IEC 60086 standard; nominal values",
  "overall_mm": {
   "length": 50.5,
   "width": 14.5,
   "height": 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."
  ]
 },
 "sheet_text": "AA and AAA cells — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/aa-aaa-cells/  (CC BY 4.0)\nBasis: IEC 60086 standard; nominal values\nCatalog version: 2026-10-20\n\nOverall (mm): length 50.5, width 14.5, height 14.5\n- 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.\n- Design holders for Ø14.7 / Ø10.7 to clear label wraps.\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Wikipedia: List of battery sizes — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/List_of_battery_sizes\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/aa-aaa-cells/index.json\nAPI: https://xemstudio.com/api/geometry?object=aa-aaa-cells\n",
 "sources": [
  {
   "publisher": "Wikipedia",
   "title": "List of battery sizes",
   "url": "https://en.wikipedia.org/wiki/List_of_battery_sizes",
   "formats": [
    "web"
   ],
   "license": "CC BY-SA 4.0 (text)",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "18650-cell",
  "cr2032-coin-cell"
 ],
 "faq": [
  {
   "q": "What are AA battery dimensions in mm?",
   "a": "Ø14.5 × 50.5 mm (LR6), including the ~1 mm positive button. Design holders for Ø14.7."
  },
  {
   "q": "What are AAA battery dimensions in mm?",
   "a": "Ø10.5 × 44.5 mm (LR03). Design holders for Ø10.7 to clear label wraps."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "cell-aa",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/aa-aaa-cells/cell-aa.step",
   "stl": "https://xemstudio.com/files/hardware/aa-aaa-cells/cell-aa.stl",
   "note": "AA Ø14.5 × 50.5 incl. 1 mm button"
  },
  {
   "file": "cell-aaa",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/aa-aaa-cells/cell-aaa.step",
   "stl": "https://xemstudio.com/files/hardware/aa-aaa-cells/cell-aaa.stl",
   "note": "AAA Ø10.5 × 44.5 incl. 1 mm button"
  }
 ],
 "markdown": "https://xemstudio.com/objects/aa-aaa-cells/index.md"
}