{
 "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": "aaaa-battery",
 "name": "AAAA battery (LR8D425)",
 "kind": "modern",
 "category": "Everyday objects",
 "group": "Batteries",
 "year": null,
 "question": "What are the dimensions of an AAAA battery?",
 "tags": [
  "battery",
  "aaaa",
  "cell"
 ],
 "aliases": [
  "aaaa battery dimensions",
  "aaaa battery size",
  "lr8d425 size"
 ],
 "overall_mm": {
  "length": 8.3,
  "width": 8.3,
  "height": 42.5
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/aaaa-battery/",
 "sheet_txt": "https://xemstudio.com/objects/aaaa-battery/sheet.txt",
 "sheet": {
  "basis": "Energizer datasheet (IEC 60086 limits)",
  "overall_mm": {
   "length": 8.3,
   "width": 8.3,
   "height": 42.5
  },
  "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."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "diameter",
     "7.7–8.3 mm"
    ],
    [
     "height",
     "max 42.5 mm"
    ],
    [
     "IEC",
     "LR8D425"
    ],
    [
     "ANSI",
     "25A"
    ]
   ]
  }
 },
 "sheet_text": "AAAA battery (LR8D425) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/aaaa-battery/  (CC BY 4.0)\nBasis: Energizer datasheet (IEC 60086 limits)\nCatalog version: 2026-10-20\n\nOverall (mm): length 8.3, width 8.3, height 42.5\n- AAAA (LR8D425 / ANSI 25A): diameter 7.7–8.3 mm, height max 42.5 mm.\n- Design holders to the MAX values: cells from any maker stay inside them. The file is the maximum-size cylinder with a button.\n\ndimension  value\ndiameter  7.7–8.3 mm\nheight  max 42.5 mm\nIEC  LR8D425\nANSI  25A\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Energizer: AAAA datasheet — web — Publisher's page; dimensions are facts — https://files.batteryjunction.com/frontend/files/E96.pdf\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/aaaa-battery/index.json\nAPI: https://xemstudio.com/api/geometry?object=aaaa-battery\n",
 "sources": [
  {
   "publisher": "Energizer",
   "title": "AAAA datasheet",
   "url": "https://files.batteryjunction.com/frontend/files/E96.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "aa-aaa-cells",
  "aaa-battery",
  "aa-battery",
  "c-battery",
  "d-battery",
  "9v-battery"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "How big is an AAAA battery?",
   "a": "Up to 8.3 mm across and 42.5 mm long."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "aaaa-cell-max",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/aaaa-battery/aaaa-cell-max.step",
   "stl": "https://xemstudio.com/files/hardware/aaaa-battery/aaaa-cell-max.stl",
   "note": "Ø8.3 × 42.5 mm, the maximum envelope"
  }
 ],
 "markdown": "https://xemstudio.com/objects/aaaa-battery/index.md"
}