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18650 lithium cell
What are the exact dimensions of an 18650 cell for a holder? · Standard part · basis: industry standard (IEC 60086 naming); nominal values
- length
- 65 mm
- width
- 18 mm
- height
- 18 mm
Notes
- Nominal Ø18 × 65 mm; real cells run Ø18.2–18.6 mm and 65.0–65.3 mm, and protected cells up to ~69 mm long. Design holders for Ø18.6 and 65.5 unless you know the cell.
- Button-top adds about 0.5–1 mm; flat-top is the common unprotected form.
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Wikipedia | List of battery sizes | web | CC BY-SA 4.0 (text) |
Xem scan
Not needed Published standard; the sheet is the geometry.
Plain text: sheet.txt · JSON: /api/geometry?object=18650-cell
Fits with
Questions
What are the real dimensions of an 18650 cell?
Nominal Ø18 × 65 mm; real cells Ø18.2–18.6 and 65.0–65.3 mm, protected cells to about 69 mm. Design holders for Ø18.6 × 65.5.
Button top vs flat top 18650 length?
Button-top adds about 0.5–1 mm; flat-top is the common unprotected form used in packs.