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Yet another lab power supply enclosure, made from a single print without need for supports. USB C power input is attached with a drop of hot glue to the printed podestal so that my laptop power supply can be used to power this lab voltage and current source. Photographs show version with 12.5 mm holes suitable for 4 mm banana plugs with protection. Other banana plugs may need smaller holes (see alternative stl). I also include an stl without holes so that the perfect diameter hole and their placement can be made either in prusa-slicer using subtract mode or using a drill.

I use this power supply unit for battery charging and conversely to power devices from a solar generator battery using the adjustable voltage and an adapter plug.

I bought a 36V 5A power supply module that was recommended by the youtube channel WattHour (the very cheap ones have some problems such as potentiometer failures):

WZ3605E DC DC Buck Boost Converter CC CV 36V 5A Power Module Adjustable Regulated laboratory power supply Voltmeter ammeter

https://www.aliexpress.com/item/1005004140277394.html?spm=a2g0o.order_list.0.0.18751802w3LFvt

22\u20ac

USB C input used is this one here, but dimensions are uncritical and others work as well:

PD decoy module PD2.0 PD3.0 to DC activation aging measurement factory QC4.0 charge notebook 9V 12V 15V 20V

https://www.aliexpress.com/item/4001253821461.html?spm=a2g0o.order_list.0.0.18751802w3LFvt

2\u20ac

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Lab Power Supply with USB-C input for DC DC buck boost modules

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