The Battery – 18650 Power Bank USB-C (Micro USB)

The design is inspired by the 18650 battery shape. The threaded connection makes it easy to remove the battery and reuse it for other purposes.

Print in 0.12 – 0.16 mm layer height for better thread quality.

Version 2 changes:

• Added 3 new variants: USB-A + USB-C, single USB-C, single USB-C flipped
• Added files without an LED hole
• Significantly improved STL file quality

Note: The USB Type-C versions haven’t been tested yet. Please let me know if they work for you. I’ll be happy to make adjustments if needed.

Components for the no-soldering option:

• 3400mAh 18650 Rechargeable Lithium Battery: AliExpress
• Micro USB 134N3P Module with Soldered Contacts: AliExpress
• USB Type-C 134N3P Module with Soldered Contacts: AliExpress

If you prefer soldering:

• 3400mAh 18650 Rechargeable Lithium Battery: AliExpress
• Micro USB 134N3P Module: AliExpress
• USB Type-C 134N3P Module: AliExpress
• 23 – 25 AWG wires

Please share your makes and feel free to remix my design.