工具・機材

18650 Battery Containers and Holders for 3D Printing

This collection covers STL files for 18650 containers: single-cell cradles, multi-cell packs, storage boxes and adapters that sit where a screwdriver battery used to. The designs differ mainly in how the cell is held and how much room is left for wiring. It is a useful starting point when you need a 3D printing project shaped around a specific cell count or a tool handle. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月15日

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«18650 Battery Containers and Holders for 3D Printing»

The reference shows several distinct groups. There are simple holders that grip one cell with rails or spring contacts, sliding trays and screw-on caps, and larger containers built for two or more cells in series or parallel. A separate group imitates the shell of an electric screwdriver pack so the cells drop into the original bay, and another covers boxes meant only for storing loose cells. Charging cradles and housings for charger boards also appear, usually with openings for a connector and a status light.

Before printing, compare the model's internal dimensions with the actual cell: protected cells are longer and slightly wider than bare ones, and contacts or nickel strip take up extra space. Check the number of parts and how they join, whether the author lists supports for overhangs, and which material and settings they used. Photos of real prints on the model page show wall thickness, tolerances and how the terminals are routed better than a render does.

Search results widen if you try other names for the same object: cell holder, battery cradle, battery tray, pack case, adapter, conversion kit. Related topics are worth a look too, such as charger enclosures, power bank shells, multi-cell pack frames and storage for loose cells. Adding a tool name, a cell count or a series configuration to the query narrows the list quickly.

FAQ

よくある質問

What should I measure before printing an 18650 container?
Measure the cell diameter and length, and the cavity it has to sit in, whether that is a tool handle, a drawer or an enclosure. Protected cells are longer than bare ones, so check the exact cell you plan to use.
Do these containers need supports?
It depends on the geometry. Flat trays and open cradles often print without them, while caps, clips and overhanging tabs usually need them. The author's page is the place to check what they used.
Which material is used for battery containers?
Authors list different choices depending on heat and load. Storage boxes are often printed in common rigid filaments, while parts exposed to warmth or impact are sometimes made in tougher ones. Follow the settings the author lists for the specific model.
Can a printed adapter replace a screwdriver's original battery pack?
Adapters of that kind appear in the collection, and they usually copy the terminal layout and outer shape of the original pack. You still need to match the space inside the handle and handle the electrical side yourself.
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