Powerbank Case with Display

Description

A compact and functional enclosure designed for a multi-port USB charging module with integrated display — built around a recycled laptop battery.

Features

• Front ports:

  • 2x USB-A

  • 1x USB-C

  • 1x Micro-USB

• Side ports:

  • Lightning input

  • Power button

• Top window for display

• Snap-fit lid with optimized tolerance

• Separate printable power button with internal actuator

• Slightly rounded edges for a cleaner look

  Battery & Concept

• This project reuses battery cells from a defective laptop pack, turning e-waste into a functional power bank.

• 📏 Internal battery space:

• Length: ~112 mm

• Width: ~66–67 mm

• Height: ~18–20 mm

• Compatible with:

• 18650 Li-ion cells

• Custom battery packs with similar dimensions

• ⚠ Important:
  Use only batteries with proper protection (BMS).

  Printing Tips

• Material: PLA / PETG

• Layer height: 0.2 mm

• No supports required

• Print parts separately

• For best fit, ensure good dimensional accuracy

  Electronics

• Compatible module example:
  👉 Charging Board Dual USB 5V 2.4A Mobile Power Module 18650

• Note: Similar modules with the same port layout should also work.

•  Parts Included

• Base

• Lid

• Power button

   Design Notes

• This model was adjusted after real-world printing:

• USB ports resized for proper cable fit

• USB-C and Micro-USB repositioned and lowered

• Button slot corrected in size and position

• Lid tolerance redesigned for smooth closing

• Case dimensions slightly increased for better fit