Electrónica

3D Printing Power Bank Cases and Battery Holders

This collection covers STL files for power bank enclosures, battery holders and related electronics housings. It helps you find a starting point for a DIY build and compare how different designs handle cells, ports and buttons. A 3D printer can produce the shell, but the internal electronics still need separate sourcing. 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 9 plataformas

Cómo se elabora esta colección

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 12/10/2026

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«3D Printing Power Bank Cases and Battery Holders»

The collection includes simple boxes for one or several cylindrical cells, enclosures sized around common lithium cells, and cases with openings for USB ports, switches and displays. Some designs are plain shells, while others include internal ribs, screw bosses or sliding lids. There are also mounts, tool-specific housings and themed shells that change the outer shape rather than the basic layout.

Before printing, check the cell format and count the case is drawn for, because a shell made for one battery size will not fit another. Look at the number of parts, how they join, and whether the author lists supports, material or wall thickness. Photos of completed prints can show tolerances around ports, buttons and lid gaps better than renders.

If a search returns too few results, try related terms such as battery holder, 18650 enclosure, 21700 case, DIY power bank or charging module housing. Adding the cell type, port type or intended device can narrow the list. You can also search for battery storage, soldering jig or mount when the project is about assembly rather than a finished shell.

FAQ

Preguntas frecuentes

What battery sizes are common for 3D-printed power bank cases?
Designs often target 18650 or 21700 cylindrical cells, and some hold several cells side by side. Check the model description for the exact cell count and orientation.
Do these cases include the electronics?
Usually the STL covers the shell and sometimes internal holders, while charging boards, cells and wiring are separate. The author's page should list what the file set contains.
What should be checked before printing a power bank case?
Confirm the outer dimensions, port openings, button placement and how the parts close. Also review the recommended material and whether supports are needed.
Can a case be scaled to fit a different battery?
Scaling changes wall thickness and port alignment, so it often does not work well. It is better to find a model drawn for the cell format you plan to use.
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