Power bank

3 boards

KiCad boards from 2 GitHub repositories tagged “power-bank”, the most starred first; open any of them in PCBKit.

2 layers100 × 25 mm
Rechargeable 5V power bank REV 0.52
shaharsery/5V-Power-Bank
This is an open source hardware 5V rechargeable power bank, intended for use with 1 Li-ion / Li-Pol 3.7V rechargeable battery cell.
69 parts9CC-BY-SA-4.0
6 layers196 × 115 mm
MonolithDev
MidwestMotorBoy/Battery-Bank
Monolith: an ultralight IP67 power bank for backpacking. 4S BAK 65E 21700 (91 Wh, under the 100 Wh airline limit), two bidirectional 100 W USB-C PD ports, Bluetooth LE (TI CC2340) with an iPhone app.
430 parts
6 layers43.2 × 74.4 mm
Monolith
MidwestMotorBoy/Battery-Bank
Monolith: an ultralight IP67 power bank for backpacking. 4S BAK 65E 21700 (91 Wh, under the 100 Wh airline limit), two bidirectional 100 W USB-C PD ports, Bluetooth LE (TI CC2340) with an iPhone app.
289 parts

Rechargeable 5V power bank REV 0.52