Electrónica

18650 Battery Case STL Models for Storage and Packs

This collection gathers STL files for 18650 battery cases, holders and storage boxes, ranging from single-cell trays to multi-cell packs and mixed-size holders. It is useful when you need a defined place for loose cells or a housing that fits a specific build, and every model can be checked before 3D printing. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Esta colección está escrita en inglés, pero la búsqueda funciona en cualquier idioma.

Una colección de Polyzon · 48 modelos de 4 plataformas

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Polyzon reúne esta colección a partir de los resultados de búsqueda de las plataformas conectadas. Se eliminan los duplicados y los modelos sin vista previa, las coincidencias débiles van al final y el resto mantiene el orden de la búsqueda. Los modelos pertenecen a sus autores: consulta las condiciones en la página de cada modelo.

Criterios de selección: el equipo editorial de Polyzon · Texto actualizado el 15/10/2026

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«18650 Battery Case STL Models for Storage and Packs»

The models differ mainly in how many cells they take and how the cells are held. Single-cell cases and slide-in holders keep one cell protected, while multi-cell designs group cells in series or parallel arrangements and often include wiring channels or contacts. Storage boxes and trays are usually simpler: they separate cells so terminals do not touch.

When choosing a model, look at the cell count and layout, the overall size and wall thickness, and whether the author lists supports, orientation or material. For packs, check how the cells are retained, whether there is room for wiring, and whether the lid or latch is a separate part. Photos of real prints on the model page show how the tolerances actually come out on a 3D printer.

Search terms can be widened or narrowed depending on what you need. Try holder, tray, box, container, caddy or storage instead of case, and add the configuration you are building, such as 2S, 3S or 1s2p. Related topics include 21700 and AA holders, battery spacers, and enclosures for devices that run on 18650 cells.

FAQ

Preguntas frecuentes

What is the difference between an 18650 case and an 18650 holder?
A case usually encloses the cells, sometimes with a lid, while a holder keeps them in a fixed position with the terminals accessible. Many designs combine both functions.
How do I pick a case for a multi-cell pack?
Check the cell count and the series or parallel layout you need, then look at the internal spacing, wiring space and how the parts assemble. The author's page usually states the dimensions.
Do these models need supports?
It depends on the design. Some are printed in vase mode or as print-in-place parts, others have overhangs that need support. The model page and the print profile indicate what the author used.
Can I scale a case to fit other cell sizes?
Scaling changes wall thickness and tolerances, so it works only within limits. For other cell diameters, look for parametric holders or models made for that size.
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