Hi Guys,
I'm planning to make my first 18650 battery pack for a portable raspberry pi, and have been doing some research. So far here's my progress:
Power calculations of setup:
Raspberry Pi 4
Voltage range: 4.7V - 5.25V
Peak: 3A @ 5V = 15W
Typical: 0.6A @ 5V = 3W
Speaker amp board
Voltage...