3D printable kit

Power Unit 12V

3D downloadable files Everything needed to print and build the product. STL files Download STEP files Download Build diagram Download Parts checklist Download Description The 12V Power Unit…

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3D downloadable files

Everything needed to print and build the product.

STL files
Download

STEP files
Download

Build diagram
Download

Parts checklist
Download

Description

The 12V Power Unit is a modular battery system designed for DIY electronics,
robots, portable tools, lights, experiments, and workshop builds.

It is built around common 18650 cells and a compact housing, making it easy to
reuse across different Inventors Den projects.

Specs

Voltage
12V nominal

Battery type
3 x 18650 cells

Protection
3S BMS

Housing
3D printed

Build instructions

Use PNG instruction cards, diagrams, or exported build steps here.

Step 1: print the housing — Step 1 – Print the housing

Step 2: install contacts and wiring — Step 2 – Install contacts

Step 3: connect the BMS and close the unit — Step 3 – Wire and close

Gallery

Product photos, renders, print results, and example builds.

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