Portable power supply - case

Simple case for portable power supply.

This power supply is based on two li-ion 18650 with two converters: BOOST (to ~16V) and BUCK (controlled with red-lined knobs).

Step up converter: LM2596
Step down converter: XL4015 with CC/CV control

Prepared holes:
- for main power switch (left upper corer of the front panel)
- for 1 small switch between main switch and voltage & current display - down = output voltage; up = battery voltage
- for MTS202 switch - output delivery for connectors
- for 3 holes for potentiometers (from left to right):
* current: coarse
* voltage: fine and coarse
- for 1x 3 mm red LED with socket - constant current mode

- one plate as charging panel (micro USB or DC jack 5.5x2.1 mm)


Screws required:
- 4x M3 to mount front panel to the back panel,
- 2x M2 to mount small switch,
- 4x M2 to mount charging panel

FYI: this is only a suggestion and I am not responsible for any damages.

2023.12.18: Added (MetroidKitten request) simple "i